Secrets of Mental Math : The Mathemagicians Guide to Lightning Calculation and Amazing Math Tricks
Benjamin, Arthur
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The Everything Kids Math Puzzles : Brain Teasers, Games, and Activities for Hours of Fun
Clemens, Meg
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Every Day with Sudoku : 365 Days of Puzzles
Shortz, Will
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The New York Times Will Shortz Presents Easy to Hard KenKen : 300 Logic Puzzles That Make You Smarter
Shortz, Will
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The New York Times Will Shortz Presents Diabolical KenKen : 300 Logic Puzzles That Make You Smarter
Shortz, Will
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Will Shortz Presents Ferocious KenKen : 200 Challenging Logic Puzzles That Make You Smarter
Shortz, Will
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Sir Cumference and the Dragon of Pi : A Math Adventure
Neuschwander, Cindy
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The Man Who Counted : A Head-Crackling Collection of Mathematical Adventures
Tahan, Malba
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Challenging Math Puzzles
Vecchione, Glen
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The Little Pink Book of Kenken : Easy to Hard Logic Puzzles
Shortz, Will
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New York Post Train Your Brain Su Doku: Difficult
Gould, Wayne
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The Zen of Magic Squares, Circles, and Stars
Pickover, Clifford A.
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Sideways Arithmetic from Wayside School
Sachar, Louis
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New York Post Train Your Brain Su Doku: Medium
Gould, Wayne
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Strange Curves, Counting Rabbits, & Other Mathematical Explorations
Ball, Keith
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Challenging Brainteasers
Santos, Bernardo Recaman
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Mathematics To Do: A Recreational Mathematics Book
O'Donoghue, Chris
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Su Doku : The Official Utterly Addictive Number-Placing Puzzle
None
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Fearsomely Frightful Sudoku : 200 Medium Puzzles
Shortz, Will
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Will Shortz Presents Brain-Busting KenKen : 100 Challenging Logic Puzzles That Make You Smarter
Shortz, Will
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