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To Mock a Mockingbird: and Other Logic Puzzles by Raymond Smullyan (April 14 2004): aa: Amazon.com: Books
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Lady or the Tiger? And Other Logic Puzzles Including a Mathematical Novel That Features Godel's Great Discovery: Smullyan, Raymond M.: 9780812921175: Amazon.com: Books
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The Lady or the Tiger?: And Other Logic Puzzles (Oxford Paperbacks) - Smullyan, Raymond: 9780192861368 - AbeBooks
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To Mock a Mockingbird: and Other Logic Puzzles by Raymond Smullyan (April 14 2004): aa: Amazon.com: Books
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