101 Puzzles in Thought and Logic
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Mathematical Puzzles of Sam Loyd
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$3.83
The Mathematical Recreations of Lewis Carroll
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$5.93
Symbolic Logic and the Game of Logic
$15.95
$5.58
Cryptography
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Win at Checkers
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$2.78
Cryptanalysis
String Figures and How to Make Them
$24.99
Tangrams
$5.48
Bridge for Bright Beginners
$8.95
$3.13
Mind-Boggling Mazes
$4.19
Dazzling Mazes
$6.95
