Fun with Secret Writing (Test Your Code Breaking Skills) Book + PRICE WATCH * Amazon pricing is not included in price watch

Fun with Secret Writing (Test Your Code Breaking Skills) Book

Fascinating, easy-to-understand book for would-be cryptanalysts of all ages teaches how to invent and decipher a host of codes and secret messages, including the "Moving Ahead" cipher used by Julius Caesar in his secret dispatches; dots and pinpricks, as used by the secret Rosicrucian society; and even a system used by Sherlock Holmes involving open spaces between important words. Includes stimulating brain-teasing projects that include all the codes described in the book. 14 b/w illus.Read More

from£N/A | RRP: £4.99
* Excludes Voucher Code Discount Also available Used from £N/A
  • 0486420981
  • 9780486420981
  • Geoffrey Lamb
  • 28 March 2003
  • Dover Publications Inc.
  • Paperback (Book)
  • 64
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