| | Entertaining Mathematical Puzzles Author: Martin Gardner
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Rating: 8 reviews Sales Rank: 6368 ASIN: 0486252116 Publication Date: October 1, 1986 Availability: Usually ships in 1-2 business days
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| | Perplexing Puzzles and Tantalizing Teasers (Math & Logic Puzzles) Author: Martin Gardner
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Rating: 5 reviews Sales Rank: 13887 ASIN: 0486256375 Publication Date: May 1, 1988 Availability: Usually ships in 1-2 business days
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