Top Secret - A Handbook of Codes, Ciphers and Secret Writing Book + PRICE WATCH * Amazon pricing is not included in price watch

Top Secret - A Handbook of Codes, Ciphers and Secret Writing Book

Pssst! Inside these TOP SECRET files is everything sneaky young agents need to know about making-and breaking-their own secret codes.Do you know the difference between a code and a cipher? Can you tell a St. Cyr slide from a Cardano grille? Did you know that a substitution cipher caused Mary Queen of Scots to lose her head? Donâ??t look now, but packed into this practical field guide is everything a young person needs to know about the art of concealment â?? making and breaking codes, mastering cipher systems, and experimenting with secret writing. Offering plenty of hands-on practice sessions, tips for creating a code-making kit, sidebars on secret codes in history, and an amusing pair of spies to illustrate techniques, Paul B. Janeczkoâ??s tantalizing TOP SECRET wonâ??t stay a secret for long.Read More

from£13.48 | RRP: £9.99
* Excludes Voucher Code Discount Also available Used from £6.58
  • 0763609714
  • 9780763609719
  • Paul B. Janeczko
  • 3 May 2004
  • Candlewick Press
  • Hardcover (Book)
  • 144
  • 1st
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