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The Master Theorem – A Book of Puzzles, Intrigue and Wit

$29.99

Price: (as of – Details) Dubbed “Mensa’s Evil Twin” by The New York Times The Master Theorem is a beautifully

The Mega Book of Cryptograms: Amazing Facts Edition – Volume 1: 500 Cryptogram Puzzles, 8.5×11” Puzzle book (Mixed Puzzle Book Series)

$12.99

Price: (as of – Details) 500 cryptograms. 500 fascinating facts. One giant puzzle challenge for curious minds.Unleash your curiosity with

The New York Times A Puzzle a Day: 365 Crossword Puzzles for a Year of Fun

Original price was: $22.00.Current price is: $15.00.

Price: (as of – Details) An entire year’s worth of great crosswords from The New York Times, with puzzles from

The New York Times Greatest Hits of Monday Crossword Puzzles: 100 Easy Puzzles

Original price was: $14.00.Current price is: $6.99.

Price: (as of – Details) A NEW day-of-the-week series with 100 puzzles in a convenient portable paperback packageNobody loves Monday