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Authors: Raymond M. Smullyan
ISBN-13: 9780486470276, ISBN-10: 048647027X
Format: Paperback
Publisher: Dover Publications
Date Published: April 2009
Edition: (Non-applicable)
Created by a renowned puzzle master, these whimsically themed challenges involve paradoxes about probability, time, and change; metapuzzles; and self-referentiality. Nineteen chapters advance in difficulty from relatively simple to highly complex. 1982 edition.