Mysterious messages : a history of codes and ciphers
Blackwood, Gary L.2009
Books
This title is a fascinating look at history's most mysterious messages packed with puzzles to decode and ciphers that children can use themselves.
Main title:
Mysterious messages : a history of codes and ciphers / by Gary Blackwood.
Author:
Imprint:
New York : Dutton ; London : Turnaround [distributor], 2009.
Collation:
176 p. : ill. ; 20 cm.
ISBN:
9780525479604 (hbk)
Dewey class:
652.8
Local class:
J652.8
Language:
English
Subject:
BRN:
192447
More Information: