Top secret : a handbook of codes, ciphers, and secret writing /
Paul B. Janeczko ; illustrated by Jenna LaReau.
- 1st pbk. ed.
- Cambridge, Mass. : Candlewick Press, 2006, c2004.
- 136 p. : ill. ; 24 cm.
Includes bibliographical references (p. 129) and index.
Nonsecret codes -- Secret codes -- Book code -- Dictionary code -- Codetalking -- Pig Latin -- Turkish Irish -- Caesar cipher -- St. Cyr slide -- Keyboard cipher -- Morse code -- Semaphore -- Pigpen cipher -- Rosicrucian cipher -- Date shift cipher -- Greek square cipher -- Greek skytale -- Railfence cipher -- Route transposition cipher -- Codebreaking -- Early concealment techniques -- Null cipher -- Cardano grille -- Word grille -- Space code -- Playing card code -- Dot cipher -- Line cipher -- Zigzag cipher -- Invisible inks.
Wilson's Junior High School, November 2005 School Library Journal starred, May 2004 Book Links (A.L.A.), May 2006 Booklist starred, May 2004 Horn Book, October 2004 Bulletin (Center for Children's books), May 2004 Voice of Youth Advocates (V.O.Y.A.), August 2004 Teacher Librarian, April 2005 Christian Library, March 2005
Presents a guide to codemaking, codebreaking, and their role in history, describing different types of codes and ciphers, discussing codebreaking and concealment techniques, and including brief stories about exciting moments in the history of the art.