Symbolic Logic and the Game of Logic
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Mathematical Puzzles of Sam Loyd
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The Mathematical Recreations of Lewis Carroll
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Win at Checkers
$7.95
101 Puzzles in Thought and Logic
$9.99
$3.50
Cryptanalysis
String Figures and How to Make Them
$24.99
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Cryptography
$7.46
Tangrams
$12.99
Bridge for Bright Beginners
$8.95
$3.13
Mind-Boggling Mazes
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Dazzling Mazes
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