Codebreaker : the history of secret communication
Pincock, Stephen2007
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Taking in the full history of codemaking, 'Codebreaker' provides an insight into this most secret and mysterious of crafts. It shows just how Julius Caesar cunningly obscured the meaning of vital wartime messages and explains that Sir Francis Walsingham used coded letters to foil plots against Elizabeth I.
Main title:
Codebreaker : the history of secret communication / Stephen Pincock & Mark Frary.
Author:
Imprint:
London : Random House, 2007.
Collation:
176 p. : ill. (chiefly col.), col. map, ports. (some col.) ; 23 cm.
Notes:
Includes bibliographical references (p. 176) and index.
ISBN:
9781905211548 (hbk)
Dewey class:
652.8652.8
Local class:
652.8
Language:
English
BRN:
470786