Top Secret: A Handbook of Codes, Ciphers, and Secret Writing (Booklist Editor's Choice. Books for Youth (Awards))

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? Don’t look now, but packed into this practical field guide is everything a young person needs to know about the art of concealment — 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. Janeczko’s tantalizing TOP SECRET won’t stay a secret for long.
ASIN: 0763609714
VSKU: GBV.0763609714.G
Condition: Good
Author/Artist:Janeczko, Paul B.|LaReau, Jenna
Binding: Hardcover
Note: Any images shown are stock photographs and product may differ from what is shown.
Condition Notes: Has a sturdy binding with some shelf wear. May have some markings or highlighting. Used copies may not include access codes or Cd's. Slight bending may be present.