Secret Messages
Subtitle: Concealment, Codes, and Other Types of Ingenious Communication
Publisher: Diane Pub Co
Published: December 2003
Language: eng
Format: Hardcover
Number of pages: 192
ISBN-13: 9780756762810
Subjects: Communication; Language; Language Arts & Disciplines
First sentence: WE ARMCHAIR SPYMASTERS GENERALLY THINK of secret messages as dense, complex lines of random-looking letters and numbers that have no meaning until rearranged by an exotic code or letter-logic system.