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Martin Gardner
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The Grapes of Math
Greg Tang
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Marcel Danesi
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1,000 Sudoku Puzzles Easy to...
Kampelmann
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Raymond M. Smullyan
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John Pazzelli
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Green Belt Kakuro: 150 Puzzles
Conceptis Puzzles
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Conceptis Puzzles
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Things to Make and Do in the...
Matt Parker
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Brown Belt Kakuro
Conceptis Puzzles
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String, Straight-edge and...
Julia E. Diggins
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Black Belt Kakuro: 150 Puzzles
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Problem Solving Through...
Bonnie Averbach,
Orin Chein
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Tredoku: 3-D Puzzles Based on...
Mindome Ltd
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100 Great Problems of...
Heinrich Dorrie
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Mind-Blowing Modular Origami:...
Byriah Loper
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The Lady or the Tiger?: And...
Raymond M Smullyan
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Second-Degree Green Belt...
Conceptis Puzzles
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The Simpsons and Their...
Dr. Simon Singh
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The Man Who Counted: A...
Malba Tahan,
Leslie Clark (Translator)
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Mathematical Puzzles: Revised...
Peter Winkler
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Mind Spark
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