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Chris Waring
How Pi Can Save Your Life
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Lynn Brunelle
Why Did I Buy This Book
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Arcturus Publishing
Whodunit Mysteries
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Eric Saunders
Bletchley Park IQ Puzzles
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Arcturus Publishing
Bletchley Park Codebreaking Puzzles
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Lewis Carroll
Selected Mathematical Works
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José Raúl Capablanca
Chess Fundamentals
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