The case of the stolen code book.
By: Illustrated by Leonard Shortall.
Contributors: Shortall, Leonard W. illus.
Publisher: Crown
Published: 1971
Place of publication: New York
Language: eng
Number of pages: 39
Subjects: Ciphers -- Fiction.
Description: When he is not asked to join the Secret Agents Club, the new boy next door sets out to prove he would be a worthy member. Includes the codes of the Secret Agents' Club Code Book.