Top secret
Subtitle: a handbook of codes, ciphers, and secret writing
By: Paul B. Janeczko ; illustrated by Jenna LaReau.
Contributors: LaReau, Jenna.
Edition: 1st ed.
Publisher: Candlewick Press
Published: 2004
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 136
Subjects: Cryptography -- Juvenile literature; Ciphers -- Juvenile literature
Genres: Juvenile literature
Description: A handbook for the budding cryptographer including codes and ciphers, invisible inks, concealment techniques, spy stories and some history.
Notes: Includes bibliographical references (p. 129) and index.

Accelerated Reader/Renaissance Learning MG 4.4 5.

A Junior Library Guild selection.
Table of contents: title: Nonsecret codes; title: Book code; title: Dictionary code; title: Codetalking; title: Pig Latin; title: Turkish Irish; title: Caesar cipher; title: St. Cyr slide; title: Keyboard cipher; title: Morse code; title: Semaphore; title: Pigpen cipher; title: Rosicrucian cipher; title: Date shift cipher; title: Greek square cipher; title: Greek skytale; title: Rail fence cipher; title: Route transposition cipher; title: Codebreaking; title: Early concealment techniques; title: Null cipher; title: Cardano grille; title: Word grille; title: Space code; title: Playing card code; title: Dot cipher; title: Line cipher; title: Zigzag cipher; title: Invisible inks; title: Codemkers and codebreakers Hall fo Fame.