Tricky Logic Puzzles for...
Steven Clontz
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The Logic Puzzle Book for...
Chris King
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The Original Sudoku
Editors of Nikoli Publishing
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X-Treme Sudoku
Editors of Nikoli Publishing
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Puzzle Baron's Logic Puzzles,...
Stephen P Ryder
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My Best Mathematical and...
Martin Gardner
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Mensa(r) Sudoku
Michael Rios
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Sleuth & Solve: 20+ Mind...
Ana Gallo,
Victor Escandell (Illustrator)
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Sleuth & Solve: 20+ Mind...
Ana Gallo,
Victor Escandell (Illustrator)
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Sleuth & Solve: Science: 20+...
Ana Gallo,
Victor Escandell (Illustrator)
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What is the Name of This Book...
Raymond M. Smullyan
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100 Logic Puzzles
Various (Illustrator),
Simon Tudhope
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The Big Book of Tricky...
Corinne Schmitt
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The Original Sudoku Book 2
Editors of Nikoli Publishing
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Sleuth & Solve: Spooky:...
Ana Gallo,
Victor Escandell (Illustrator)
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LSAT Logic Games for Dummies
Mark Zegarelli
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Carol Vorderman's Massive...
Carol Vorderman
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Mensa Guide to Solving Sudoku...
Frank Longo,
Peter Gordon
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Can You Outsmart an Economist...
Steven E Landsburg
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Logic Games for Clever KidsŤ:...
Dr. Gareth Moore,
Chris Dickason
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Sudoku Under the Sun: More...
David J Bodycombe
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Brain Games - To Go - Code...
Publications International Ltd,
Brain Games
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The Riddle of Scheherazade:...
Raymond Smullyan
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The Lady or the Tiger?: And...
Raymond M Smullyan
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