Fun with secret writing
By: Geoffrey Lamb.
Publisher: Dover Publications
Published: 2002
Place of publication: Mineola, N.Y
Language: eng
Number of pages: 59
Subjects: Cryptography -- Juvenile literature.; Ciphers -- Juvenile literature.; Cryptography.; Ciphers.
Genres: Juvenile literature.
Description: Examines a number of different ways of writing secret messages, including using invisible ink and a variety of ciphers. Provides suggestions and aids for code-breaking.
Notes: Originally published: Secret writing tricks. Nashville, Tenn. : T. Nelson, 1975.