Ungelöst!: Geschichte und Geheimnis der größten Chiffren der Welt aus der Antike
56,62 €
"In 1953, a man was found dead from cyanide poisoning near the Philadelphia airport with a picture of a Nazi aircraft in his wallet. In this lively and entertaining book, Craig Bauer examines these and other vexing ciphers yet to be cracked.
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