The Code Book; The Evolution of Secrecy from Mary, Queen of Scots to Quantum Cryptography

New York: Doubleday, 1999. Hardcover. Fine/Very Good. Second Printing. Signed by Singh on the title page. Fine in a Very Good jacket, unclipped ($24.95), bumped and chipped at the top edge. Black paper on the boards with silver gilt lettering on the spine. Square and firmly bound, clean internally. Singh's work that "traces the evolution of secret writing from ancient Greek military espionage to the frontiers of computer science," with discussions about the Man in the Iron Mask, the Enigma machine, quantum computing, among other topics.