$7 or Less
 Sale: $4.98 Trade Paper List Price $10.00 
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Penguin Sudoku 2006
by David J. Bodycombe  Publisher Comments Penguin Sudoku 2006 contains 365 brainteasers, randing from easy to mind-bogglingly difficult. It provides a daily fix for the hardened Sudoko fan and sets an addictive challenge for novices....
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Sale: $3.98 Spiral List Price $8.95
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Sudoku: Easy to Medium
by Zachary Pitkow Publisher Comments Sudoku craze and pairs the addictive logic-based game with a spectacularly handy format. Filled with 200 grids of varying difficulty, our pocket-sized hardcover notepads are perfect for strategizing on the bus or train. Now that's what we call a smart...
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Sale: $6.98 Trade Paper List Price $13.95
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The Music of the Primes: Searching to Solve the Greatest Mystery in Mathematics
by Marcus Du Sautoy Publisher Comments In 1859, German mathematician Bernhard Riemann presented a paper to the Berlin Academy that would forever change the history of mathematics. The subject was the mystery of prime numbers. At the heart of the presentation was an idea that Riemann had not...
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Used: $0.75 Trade Paper List Price $3.25
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Flatland: A Romance of Many Dimensions (Dover Thrift Editions)
by Edwin A Abbott 
Publisher Comments Classic of science (and mathematical) fiction. Charmingly illustrated by author. Describes the journeys of A. Square, a resident of Flatland, and his adventures in Spaceland (three dimensions), Lineland (one dimension) and Pointland (no dimensions). A...
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Sale: $3.98 Trade Paper
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Little Book of Sudoku Volume 2
by Pete Sinden Publisher Comments Another 201 puzzles! 5 levels of difficulty! Feed that addiction! The incredible popularity of Sudoku shows no sign of slowing and for every fan of the fascinating and addictive number game, this second volume of The Little Book of Sudoku will...
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Sale: $2.98 Trade Paper List Price $6.95
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Sudoku: Easy to Hard (Sudoku #02)
by Will Shortz
Powells.com Staff Pick This book has traveled with me daily since I purchased it a few months ago. It even prevented me — a lifelong reader — from picking up a "real" book for two months. Addictive, hypnotic, and just plain fun, I can't wait to complete the next...
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Used: $5.50 Hardcover List Price $10.00
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Q. E. D. : Beauty in Mathematical Proof (04 Edition)
by Polster Publisher Comments Q.E.D. presents some of the most famous mathematical proofs in a charming book that will appeal to nonmathematicians and math experts alike. Grasp in an instant why Pythagoras’s theorem must be correct. Follow the ancient Chinese proof of the...
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Sale: $3.98 Trade Paper
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Little Book of Sudoku Advanced Volume 3
by Alastair Chisholm Publisher Comments Sudoku continues to preoccupy the nation. Addicts everywhere will welcome the third volume of The Little Book of Sudoku as it will challenge parts that other puzzles cannot reach. The super difficult puzzles inside will tax the most agile Sudoku brains -...
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Used: $6.95 Hardcover List Price $10.00
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Sacred Geometry (Wooden Books)
by Miranda Lundy Publisher Comments Geometry is one of a group of special sciences - Number, Music and Cosmology are the others - found identically in nearly every culture on earth. In this small volume, Miranda Lundy presents a unique introduction to this most ancient and timeless of...
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Sale: $6.99 Trade Paper
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Super Sudoku: 200 Extra-Large Japanese Number Puzzles
by Okayusan Publisher Comments 200 extra-large sudoku puzzles for hours of extra-large fun! The sudoku craze just got even bigger--these extra-large puzzles feature 16 x 16 and 25 x 25 grids for greater challenges and enjoyment. The rules are the same as regular sudoku, just on a...
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Used: $2.50 Trade Paper List Price $7.95
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New York Post Su Doku 2: The Official Utterly Addictive Number-Placing Puzzle
by Wayne Gould Publisher Comments Su Doku, "the crosswords without words," come with a warning: it is seriously addictive. You don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic and a little patience. Here is a collection of 100 new puzzles...
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Sale: $6.98 Trade Paper List Price $14.95
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The Man Who Loved Only Numbers: The Story of Paul Erdos and the Search for Mathematical Truth
by Paul Hoffman
Publisher Comments Paul Erdos, the most prolific and eccentric mathematician of our time, forsook all creature comforts — including a home — to pursue his lifelong study of numbers. He was a man who possessed unimaginable powers of thought yet was unable to...
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Used: $3.50 Trade Paper List Price $5.99
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Sudoku
by Tammy Seto Publisher Comments Join legions of fans from around the globe who are already hooked on SUDOKU! These popular logic puzzles from Japan are taking the world by storm! Sudoku looks like arithmetic but requires just logic. Each puzzle consists of a grid of nine rows by nine...
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Used: $2.50 Trade Paper List Price $7.95
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New York Post Su Doku #03: New York Post Su Doku: The Official Utterly Addictive Number-Placing Puzzle
by Wayne Gould Publisher Comments Su Doku, "the crosswords without words," come with a warning: it is seriously addictive. You don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic and a little patience. Here is a collection of 100 new puzzles...
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Used: $5.00 Trade Paper List Price $16.00
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A Beautiful Mind: The Life of Mathematical Genius and Nobel Laureate John Nash
by Sylvia Nasar
Publisher Comments How could you, a mathematician, believe that extraterrestrials were sending you messages?" the visitor from Harvard asked the West Virginian with the movie-star looks and Olympian manner. "Because the ideas I had about supernatural beings came to me the...
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Used: $2.95 Trade Paper List Price $9.99
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Algebra I (Cliffs Quick Review) - Study Notes
by Jerry Bobrow Publisher Comments CliffsQuickReview course guides cover the essentials of your toughest classes. Get a firm grip on core concepts and key material, and test your newfound knowledge with review questions. Whether you're brushing up on pre-Algebra concepts or on your way...
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Sale: $2.98 Trade Paper List Price $6.95
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Sudoku: Easy To Hard (Soduko #03)
by Will Shortz Publisher Comments From puzzlemaster and New York Times crossword editor Will Shortz comes sudoku, the new "wordless crossword" puzzle that's taking the world by storm! Once you start, you won't want to stop. These addictive puzzles are easy to understand — just fill...
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Sale: $2.98 Trade Paper List Price $6.95
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The Ultimate Sudoku Challenge: 100 Wordless Crossword Puzzles
by Will Shortz Publisher Comments If you haven't yet tried sudoku, you're missing out on the most addictive, fun puzzle sensation since the Rubik's Cube. So pick up a pencil, get set, and solve away! Features: The "wordless crossword puzzles" that are taking the world by storm! 100...
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New: $4.95 Trade Paper
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Merriam-Webster's Pocket Guide to Business and Everyday Math (Pocket Reference Library)
by Brian Burrell Synopsis A practical, easy-to-use guide to every day math. Includes hundreds of sample problems showing you how to use basic concepts of computation, measurement, geometry, algebra, statistics, probability, and more....
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Sale: $2.98 Trade Paper List Price $6.95
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Sudoku to Boost Your Brainpower Presented by Will Shortz: 100 Wordless Crossword Puzzles
by Will Shortz Publisher Comments Sudoku, or wordless crossword puzzles, have found millions of fans worldwide. Not only are they fun to solve, but their unique blend of logic is perfect for keeping your brain sharp all day long. And the special step-by-step solving guides found only in...
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