by David Cornélien · Marabout · tapa blanda · ISBN 9782501063142
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«100 Messages à décrypter: Spécial Léonard de Vinci» is a puzzle book by David Cornélien, in paperback, published by Marabout (170 pages).
A hundred deciphering games introduce the reader to cryptology. It covers encryption and decryption methods used by spies since Antiquity, such as Morse code or the Caesar cipher, up to the Polybius square and the Pollux cipher, and shows how Caesar, Leonardo da Vinci or Mary, Queen of Scots protected their messages.
The book is in French, has 170 pages and was published on 27 January 2010, with illustrations by François Warzala.
For fans of puzzles, the history of espionage and logic games who want to learn to encode and decipher messages.
