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Its October and I'm cleaning up, I have an ad coming out in Popular Science in a week and before that happens I'll END THIS SALE...
( Ok Guys...Sale is over, its OFF the main website, but if you've found this
page, you can buy the items as they are priced below...for a little while )
 

N E W    B O O K S  &   L O W E R   P R I C E D   B O O K S

Solar Air Heating Systems   $29.95   
 Steve Kornher & Andy Zaugg   370 pages   8.5x11 inches   978-1-60322-023-1
Incredibly detailed information on how to make any type of solar air heater. It covers all of the rules of thumb, the materials, where to get them and much more. Whether you’re a homeowner or a contractor, this book has everything that you need to know about the construction and operation of all types of solar air heaters for space and domestic water heating. If you’re looking for one book that will get you into “hot air,” this is the one!

1

Sunshine To Dollars  $14.95
Steven E. Harris   76 pages   8.5x11 inches   978-1-60322-000-2
The book that started it all! Free solar panels, energy, heating and cooking at your house. One of the most unique books ever written on Solar Energy. This book will have you building solar heaters in one afternoon. This is the most hands-on book ever written in the field. Get it today. Also includes, at no extra charge, Surviving the Blackout of 2003.

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Get Started TODAY. Get Sunshine to Dollars and The Complete Handbook of Solar Air Heating Systems
Save $10.00

 

 $34.95      


 

The Chemistry and Manufacture of Hydrogen 
CLASSROOM SIZE BOOK!
WAS $29.95  CLEARANCE  $19.00
 P. Litherland Teed   164 pages   8.5x11 inches   978-1-60322-038-5
Once again Knowledge Publications has reached into the past to bring to you one of the best books ever written on Hydrogen, it proves that some of the best hydrogen experts ever were contemporaries of your grandfathers and great grandfathers. This is the first printing of The Chemistry and Manufacture of Hydrogen since 1919! With the republication of this book and others like it we are realizing the most fundamental purpose for producing written records: the preservation and rediscovery of knowledge.  This book covers almost every single chemical method of making hydrogen.  The focus on this book is on making MILLIONS OF CUBIC FEET OF HYDROGEN for blimps and other lighter than aircraft.  Almost every methods gives the exact amount of chemicals needed to make 1000 cubic feet of hydrogen so comparison of different chemical methods is easy for the amateur.  This book also contains a chapter on the silicol process used in one of our youtube videos on making hydrogen from lye, silicon, anhydrous lime and water.

 1 WAS $29.95  CLEARANCE  $19.00 

The Chemistry and Manufacture of Hydrogen DVD 
WAS $19.95  CLEARANCE  $15.00
 P. Litherland Teed; Roy McAlister; Steven Harris      

In the DVD Steven Harris and Roy McAlister give you the details page by page in the book. We cover all of the subjects of worth in the book, go over the diagrams and fill in what was not said. This is the book that answers many of the questions you might have.  Nearly 3 Hours of additional Education for you..

1 WAS $19.95  CLEARANCE  $15.00 

COMBO:  BOOK & DVD 
WAS $39.95 
CLEARANCE  $28.95
 SAVE $11.00
 P. Litherland Teed; Roy McAlister; Steven Harris 
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WATCH THE VIDEO ABOUT
THE BOOK AND DVD HERE

*** QUANTITIES ARE LIMITED, I WILL REMOVE THIS SOON ***
Alcohol Can Be a Gas 2.5 Hour DVD 
WAS $24.95  CLEARANCE $19.00
 David Blume      

See David Blume give a riveting 2 Hour and 40 minute presentation about alcohol fuel from 2004 in Marin County California. The nation’s first driver owned coop was organized as a result! This professionally filmed talk starts with the amazing history of alcohol as the first auto fuel, and covers a wide range of topics exploding the myths told about alcohol, a primer on how to produce it, car conversion methods, tax credits available, and much more.
Dave covers all of the details of setting up a home distillation unit for the production of alcohol, the conversion of starches to sugars for fermentation and much more.  Get all of the details that are not in the Book and your questions answered.

SOLD OUT WAS $24.95  CLEARANCE $19.00

Hydrogen Generator Gas for Vehicles and Engines: Volumes 1 and 2 
WAS $19.95  CLEARANCE $14.00
 Compiled by KnowledgePublications.com   170 pages   5.5x8.5 inches   978-1-60322-027-9
The first book in our Hydrogen Generator Gases for Vehicles and Engines series contains two great, complimentary works on the subject of Producer Gas. The first volume in this book is entitled Producer Gas: Another Fuel for Motor Transport. This volume will guide you through everything you need to know about Producer Gas from its history to its economics. The second volume, Producer Gas Vehicles is for anyone who wishes to have a complete understanding of the true potential of Producer Gas, it contains many many photographs of vehicles from the 1940's to the 1980's that are running on producer gas.  This includes the several vehicles that did cross country trips on JUST WOOD as a fuel.  FYI, you get about 1 mile per pound of wood on average. 

1 WAS $19.95  CLEARANCE $14.00 

Hydrogen Generator Gas for Vehicles and Engines: Volumes 3 and 4 
WAS $29.95  CLEARANCE $22.50  One of our Best Sellers:
 If you ONLY BUY one book on gasification, this is where you start!
 Compiled by KnowledgePublications.com   250 pages   8.5x11 inches   978-1-60322-028-6
We have combined two unique works and republished them as the second book in our Hydrogen Generator Gas for Vehicles and Engines series to help fill the continuing needs and desires for information in this fascinating field. THIS SHOWS THE STEP BY STEP PROCEDURE PLUS PARTS LIST FOR MAKING THE FAMOUS FEMA GASIFIER which is ideally suited to power a generator.  It Contains Construction of a Simplified Wood Gas Generator for Fueling Internal Combustion Engines in a Petroleum Emergency, includes detailed, illustrated instructions for the fabrication, installation, and operation of a Biomass Gasifier. The Handbook of Biomass Gasifier Engine Systems, was initially prepared as a guide for the design, testing, operation and manufacture of small-scale gasifiers.

1 WAS $29.95  CLEARANCE $22.50 

Hydrogen Generator Gas for Vehicles and Engines: Volumes 5  WAS $19.95  CLEARANCE $14.00
 John D Cash; Martain Cash   182 pages   5.5x8.5 inches   978-1-60322-035-4
The purpose of Volume 5 of the series is to set forth the possibilities of an often underestimated fossil fuel substitute: Producer Gas. This Volume, entitled, Producer Gas for Motor Vehicles, not only details Producer Gas possibilities, but also clearly explains the methods by which Producer Gas can be brought into use in a national emergency and the MAIN EMPHASIS in this book is making Producer Gas (for a vehicle) from Charcoal.   It is a LOT easier to make a gasifier based on charcoal than one based on wood !!

1 WAS $19.95  CLEARANCE $14.00 

Hydrogen Generator Gas for Vehicles and Engines: Vol 6 Modern Gas Producers 
WAS $37.95  CLEARANCE $25.00
 CLASSROOM SIZE BOOK!
 N.E. Rambush   566 pages   8.5x11 inches   978-1-60322-051-4
 Low Inventory - Order Now.
When N. E. Rambush wrote Modern Gas Producers he set out to describe the specific features of each design which had been built and worked for producer gas production. Accordingly, in many cases this book explains certain special designs, in as much detail as it describes those designs which are far more commonly employed in practice. This great addition to the Hydrogen Generator Gas series contains over 80 valuable tables and over 350 images of useful drawings and diagrams.  The main emphasis of this book is on midsized and large stationary gas generators.  This classroom version of the book is so large it has to be shipped in a medium sized Priority Mail Box.  This is a large book for those serious about study of this subject If you have Volume 8, THEN you want this volume 6 to continue your growth.

*** SOLD OUT *** WAS $37.95  CLEARANCE $25.00 

 

Hydrogen Generator Gas Vol 7: State of the Art 
WAS $29.95 CLEARANCE  $23.00
 Ali Kaupp   285 pages   8.5x11 inches   978-1-60322-053-8
The seventh volume in the Hydrogen Generator Gas series will help you to overcome the mechanical difficulties associated with the production of generator gas from wood and coal. This great book will guide you to an in depth understanding of the gasification of coal and biomass, a valuable technology that is more than a century old, and will allow you to become thoroughly knowledgeable about the utilization of hydrogen generator gas in engine systems.  While this book covers the use of gasifiers on vehicles, it goes into more details with the chemistry, the gasses, products formed, with more graphs and charts than Vol 9 Does.  This book (Vol 7) as well as Vol 9 is a must have for any serious car gasification person.

1 WAS $29.95  CLEARANCE  $23.00 

Hydrogen Generator Gas for Vehicles and Engines: Vol 8 Hydrogen Production from Organic Material 
CLASSROOM SIZE BOOK!
WAS $34.95  CLEARANCE  $19.00
 Samuel S. Wyer   300 pages   8.5X11 inches   978-1-60322-025-5
Provides you with the fundamental knowledge upon which any rational discussion about Hydrogen Science must be based. Contains information on the physics and applied chemistry that make up the foundation of hydrogen based energy production. This book was written by a great man named Samuel S. Wyer. We have republished his work, A Treatise on Producer-Gas and Gas-Producers as, Hydrogen Production from Organic Material by Partial Oxidation and Steam Reformation.   The emphasis of this book is the production of gas for LARGE Stationary engines.  NO emphasis in this book is on vehicles.  This book is exceptionally good on ways of handling your material (fuel), locking it in, out, feeding it.  Especially good section on the cleaning of gas and removal of tars and other items to purify the gas.  This is for setting up a small or large power plant.

1 WAS $24.95  CLEARANCE  $19.00 

 

Hydrogen Generator Gas Vol 9 Generator Gas-The Swedish Experience 1939-1945 
WAS $34.95  CLEARANCE  $24.00
 SERI & Thomas B. Reed   343 pages   8.5x11 inches   978-1-60322-050-7
Summarizes the scientific, technical and commercial information that developed during World War II. While the world’s fossil liquid fuel supplies were being used to make war around the globe Sweden, cut off from fossil fuels, converted 40% of its entire motor vehicle fleet to burning wood. The gas generator for motor vehicles was developed at an astonishing speed during the war years. This work will enable anyone that is engaged in gasifier projects to build upon knowledge which the Swedes procured long ago.   This unit is all about making and putting a gasifier on the front or back of your vehicle, plus small stationary engines. The first gasifier you make should be stationary for a generator or engine (volumes 3/4 above).  Your second gasifier should be for a vehicle and this is the book for starting that project.

1 WAS $34.95 CLEARANCE  $24.00 


 


 

M E T H A N E   B O O K S

Biogas 1 & 2  WAS $24.95  CLEARANCE  $12.00
 People of Africa Biogas Centre   116 pages   5.5x8.5 inches   978-1-60322-031-6
This book will enable you to genuinely understand how to really utilize Biogas in agricultural development at the farm and family level. Volume 1: Biogas, what it is; how it is made; how to use it begins with a thorough introduction to Biogas including materials, testing and waste products to use for a small biogas unit. Volume 2: Building a better Biogas Unit takes what you learned in Volume 1 and gives you the information to build a unit on a much larger scale.  This book has you starting to make methane with a 55 gallon drum, a 30 gallon drum, and inner tubes for gas storage.  A high school student in Phoenix won 1st prize at the State Science Fair by using this book with FIVE GALLON containers!  This book is excellent for HOME SCALE gas production.  See Biogas 3 for Farm Scale biogas production.

1 WAS $24.95 CLEARANCE  $12.00 

Biogas 3: How the Chinese Make Biogas. 
WAS $24.95  CLEARANCE  $12.00
 Michael Cook   140 pages   5.5x8.5 inches   978-1-60322-039-2
This is a hands on step by step book. This book contains the ways that the Chinese perfected the process of making methane from organic material. The manual shows you how to dig a hole, make a brick or earth wall and then cover it for continuous production of free methane from the digesting material. This is a very low maintenance system and the Chinese had over 6 million bio digesters of this model working in the late 70’s/early 80’s. This is one beautiful system that you can build in your own backyard.  This is a system that you put in organic material and manure from animals into, it is NOT a high temp gasification system like the above books.  This is methane production from anaerobic digestion.  The emphasis of this book is on making digesters that are BIGGER than the ones in Biogas 1&2.  In particular this one is about digging a hole and turning the large hole into a gasifier.  This one is for farm scale gas production.  Biogas 1&2 is for home scale production.

1 WAS $24.95 CLEARANCE  $12.00 

HandBook of Home Made Power
WAS $17.95  CLEARANCE  $13.50
 The Mother Earth News   386 pages   5.5x8.5 inches   978-1-60322-003-3
Hands-on reprint of the famous publication from Mother Earth News. This book is actually larger and easier to read than the original paperback copy of the book. It covers wood heat and wood power, water/hydroelectric home power and RAM-pumps. The handbook also has chapters on wind power, solar energy and an extensive chapter on making and using methane. This book has an extensive section plus interview on making methane from waste material (like biogas 1, 2 & 3), but it gets into more of the technical details.

1   WAS $17.95  CLEARANCE  $13.50 


 

H Y D R O G E N   B O O K S

Solar Hydrogen Civilization DVD 
WAS $19.95  CLEARANCE  $15.00
 Roy McAlister & Steven Harris      

If you have this book then you must have this DVD that goes with the book and gives so many more details than could be included in the book.  Steve and Roy go over the points in the book step by step so you understand what has been done, what can be done and what will be done in the future of hydrogen.
DVD companion to the fantastic book by Roy McAlister. 3 hours of detailed explanation of the theories, facts and technology found in the book.

1 WAS $19.95  CLEARANCE  $15.00 

Industrial Hydrogen 
CLASSROOM SIZE BOOK!
 WAS $29.95  CLEARANCE  $15.00
 Hugh S. Taylor D.Sc   214 pages   8.5x11 inches   978-1-60322-022-4
The history of the production of hydrogen starts at the very beginning of chemistry. This book covers the production of Hydrogen on an industrial scale. The great, great majority of the methods in this book can be made and used on a daily basis on a bench scale, that means 3 feet instead of 300 feet in size. This book is a treasure. Keep in mind, it’s not the only gold you need to have in your treasure chest, but it is a great piece.  This book contains the hydrogenite process used in our famous youtube huge hydrogen flame videos.

1 WAS $29.95  CLEARANCE $15.00 

 

Industrial Gases 
 CLASSROOM SIZE BOOK!
WAS $29.95  CLEARANCE  $15.00
 Geoffrey Martin   158 pages   8.5x11 inches    978-1-60322-021-7
This book contains abundant information about the mass manufacture of Hydrogen Energy related gases. Including explicit details about the, chemistry and methods on the manufacture of all of the gasses important for the hydrogen revolution. Industrial gases covers Hydrogen, Oxygen, Nitrogen, Carbon Dioxide, Sulfur Dioxide, Ammonia, Producer Gas, Illuminating Gas, Acetylene, Ozone etc…
Hydrogen—you know this one. Oxygen is a byproduct of H2 manufacture in some cases. Nitrogen is used with H2 to make Ammonia. Carbon Dioxide is reduced to Carbon Monoxide and combined with water to make Hydrogen. Sulfur Dioxide is used to make sulfuric acid which is a hydrogen carrier ( and ten thousand other things), Ammonia is a hydrogen carrier (and a thousand other things), Producer Gas and Illuminating gas are excellent carriers of hydrogen and are easy to make, Acetylene is a huge part of our hydrogen future and Ozone is a powerful oxidizer that can be used in other chemistry to make more H2. Anyone who thinks that these gases do not have anything to do with a Hydrogen Future has been swallowing the stupefied public mush that the media and other idiots have been pushing.

1 WAS $29.95  CLEARANCE $15.00 

 


 


 

A L C O H O L    B O O K S

Denatured (and) Industrial Alcohol 

WAS $24.95  CLEARANCE $17.00
 Rufus Frost Herrick   534 pages   5.5x8.5 inches   978-1-60322-002-6
Every Single Way of Making Alcohol on an Industrial Scale—or small scale. Topics on fermentation, organisms, source material, mashes, crops to use, yield, formulas, distillation, byproducts, heat measurement, usage in engines and much more. The book covers the usage of alcohol for cooking, heating and illumination, just to name a few. It even has details on converting sawdust and other organic material to a form that can be digested by alcohol yeasts to make ethyl alcohol.


** SOLD OUT **  WAS $24.95  CLEARANCE $17.00 

The Sugars and their Simple Derivatives 
 WAS $24.95  CLEARANCE $14.00
 John E. Mackenzie D.Sc Ph.D   242 pages   5.5x8.5 inches   978-1-60322-060-6
If you are serious about making alcohol and you're serious about making it from things you can turn into sugar, then this is the book for you. If you want to make thousands of gallons of Alcohol then you need this book.  This is a technical book.

Low Inventory - Order Now.
1 WAS $24.95  CLEARANCE $14.00 

Microbial Processes 
WAS $24.95 CLEARANCE $12.00
 Various   214 pages   5.5x8.5 inches   978-1-60322-062-0
Covers microbes and uses for Ethanol, Utilization of Cellulose, methane generation, methanol production, hydrogen production, waste water treatment, algae, and cellulose conversions.  This is a very technical book.

1 WAS $24.95  CLEARANCE $12.00 


 

F U E L   C E L L   B O O K S

Fuel Cells - Power for Tomorrow 
Low Inventory - Order Now.
WAS $19.95  CLEARANCE $14.00
 D.S. Halacy Jr.   164 pages   5.5x8.5 inches   978-1-60322-018-7
Dan Halacy is one of the great men of solar energy that were true heroes to young scientists and engineers in the solar energy era from the 1950s to the 1970s. With photos, drawings, illustrations and descriptions, this book provides the in-depth details of the history, theory, operation and future of fuel cells. This is one of the few books in existence that explicitly gives you step-by-step instructions for making a fuel cell.  This book shows you how to make an Alkaline Fuel Cell (AFC), just like the ones used in the Apollo Space Program !!


Low Inventory - Order Now.
1 WAS $19.95  CLEARANCE $14.00 

Fuel Cells For Public Utility And Industrial Power 
This book is going away and NOT coming back.
WAS $99.95  CLEARANCE $15.00  
Energy Technology Review   332 pages   8.5x11 inches   978-1-60322-034-7
Contains a massive amount of practical, down-to-earth technical information relating to fuel cells for power plants. Fuel cell based power plants offer one of the most interesting possibilities for future power generation. This book will inform you of the many advantages of Fuel Cells like the fact that they can be air-cooled and need not be adjacent to a body of water. It also points out important considerations for Fuel Cell public utility, such as the concept of modularity and efficiency considerations.

1 WAS $99.95  CLEARANCE $15.00 
This book is going away and NOT coming back.

 

B I O   E N E R G Y   B O O K S

Wood Residue as an Energy Source 
WAS $24.95  CLEARANCE $14.00
 Forest Products Research Council   126 pages   8.5x11 inches   978-1-60322-059-0
Everything you want to know about wood waste/residue as an energy source. Types of residue, prep, handling, economics, combustion, clean up, boiler applications, charcoaling, cutting, grinding, and transporting. A very impressive book. If you have waste wood or want to know what type of wood wastes to look for, this is the book.

1 WAS $24.95  CLEARANCE $14.00 

Firewood Crops Vol 1 & 2 
WAS $24.95 CLEARANCE $14.00
 NAS   329 pages   5.5x8.5 inches   978-1-60322-056-9
Become an Energy Farmer. This book is for any country in the world, not just the USA. If you want to plant something and have the sun, the rain and nature do the work for you of making your fuel to run your car or run a generator or to be converted to sugar and then to alcohol...or even plant crops that you can use for firewood. Then this is the book you are looking for.   If you wanted to reforest Haiti..this is the book.

1 WAS $24.95  CLEARANCE $14.00 


 

W I N D    B O O K S

Wind and Wind Spinners   
 WAS $24.95 CLEARANCE $18.00
 Michael Hackleman   139 pages   8.5x11 inches   0-915238-02-0
Contains everything you need to know about building Savonius rotor (S - Rotor) wind generator. The S-Rotor is easier to construct than a standard windmill since your generator is at the base of the tower (or the top) and is not turning around in different directions as the wind blows. This is a detailed hands-on construction manual for the complete system including the batteries, tower, control relays and the actual rotor itself.

1 WAS $24.95 CLEARANCE $18.00  

The Homebuilt Wind-Generated Electricity Handbook   
 WAS $24.95 CLEARANCE $18.00
Michael Hackleman   194 pages   8.5x11 inches   0-915238-05-5
This book contains everything you need to know about building a wind mill or a wind motor at home or on the farm. This is a detailed hands on construction manual for the motor, blades, tower, control circuits and much more. Incredibly illustrated with drawings and photographs. The book has explicit details on tower construction and tower erecting. Make sure you see the companion book called Wind and Windspinners.

1 WAS $24.95 CLEARANCE $18.00  

 

M I S C    B O O K S

Biodiesel from Algae - US Aquatic Species Program
WAS $19.95  CLEARANCE $10.00
   Low Inventory - Order Now.
The complete report compiled from the US Department of Energy’s 18 year program to develop transportation fuels from algae. Known as the Aquatic Species Program, the study made advances in manipulating the metabolism and engineering of algae. This report contains all of the information learned from oil-producing microalgae highlighting the applied biology, algae production, and resource availability of the department of energy research. This volume is a great place to start to learn about a biological approach to fuel that can be grown in anything from a bottle to a million gallon tank.  This is NOT a paint by numbers DIY book, it is very much an overview of previous research and what worked and what did not work.  It is just one book that should be part of your algae library.

Low Inventory - Order Now.
  WAS $19.95  CLEARANCE $10.00 

Hydraulic Engineering 
WAS $19.95  CLEARANCE $14.00
 Gardner D. Hiscox M.E.   340 pages   5.5x8.5 inches   978-1-60322-019-4
Everything to do with water throughout the hydrosphere of the planet! If you have a river or a stream or a lake or live near the ocean and you want to try to capture water power from it, then this book tells you how to measure, direct, funnel and flow your water. It covers the mathematics in detail and it backs up the math with illustrations.

1 WAS $19.95  CLEARANCE $14.00 

Hydraulic Motors
 WAS $19.95  CLEARANCE $14.00
 Irving P. Church   326 pages   5.5x8.5 inches   978-1-60322-020-0
Filled with every method of turning water into rotary horsepower. This book is not about the hydraulic power like what makes garbage trucks and construction equipment function. In this sense is we are talking about water power. It is incredible in its depth on water turbines and the whole variety of wheels that are in this field. It covers ALL of the paddle wheels, overshot, undershot, small, large, optimized and simple ones, from highly balanced water turbines to the most efficient Pelton wheels.

1 WAS $19.95  CLEARANCE $14.00 


 

 

  $54.95
The WoodGas Campstove LE is the smallest and lightest product utilizing WoodGas technology. Measuring just 5" in diameter and 6.5" tall, it provides a hot fire from twigs and chips in the smallest possible package. The stove, pot holder and carry bag (included) weigh 23 oz. One load twigs burns for about 10 minutes, providing 10,000 btu/hr of cooking heat. An excellent solution for individuals to boil water or cook a small meal.  This stove weights 1 pound 7 oz.  That's LIGHT, yeah..its not the 4 oz that your super titanium brunton stove is, but as the logo for the stove goes, ' pack the stove, NOT your fuel'.  If you are some super snobby back packer who pays extra for titanium cookware and carbon graphite hiking sticks, you won't like this.  If you are a normal person you'll LOVE it.


 

 

  $78.95
SOLD OUT
Do NOT ORDER UNLESS its ok to wait ~1 month for a back order.
The WoodGas Campstove XL is a larger cooking stove, optimized for longer cooking times and higher heat. One load of twigs will typically burn for 20 minutes, while producing 12,000 btu/hr of cooking heat. It measures 9" tall and 6.5" in diameter, and weighs 35 oz. The campstove XL is the perfect size for cooking complex meals or meals for small groups. As in other WoodGas products, fuel can be added during cooking for longer burn times. Compressed wood pellets also work very well, burning for 3 times the burn time of twigs.  This is a larger version of the LE stove (the first one released).  I personally use my XL a lot more than I do my LE and I keep an XL stove in a cooking pot, that is just slightly larger than the stove, in my truck during the winter.  I have a small axe, saw and I have some soda bottles filled with wood pellets.  So no matter where I am I can melt snow for drinking water.  I can get my own fuel (the axe and the saw) or I can use the pellets I have.  Since I am not doing any remote driving, its kinda not needed, but I did it anyway as an experiment.   I have had excellent use toasting marshmallows in it on cold nights when at friends.

 

Woodgas Fireplace

 

  $189.95
(hey..it weighs 15lbs, this is a heavy duty item)

CLASSROOM* SIZE BOOKS ARE GOING AWAY FOREVER.  Get Them Now.
* classroom books normally cost at least $10 more than their smaller / normal versions, but here they are on CLEARANCE!
Classroom books are a FULL 8x5 x 11 Size, larger text, plenty of margin room for notes.
Photos below are of the classroom size book and the normal size book

LIMITED TIME SAVINGS - GET THEM BEFORE THEY ARE GONE
When I say come and get, for a limited time... I mean it.

* Limited Quantities of Each book.
* When they sell out the sale is over
* Don't wait till you see the SOLD OUT notice on books.
*Some books will sell out in 1 day or less.