Fun with secret writing /
Lamb, G. F.(Geoffrey Frederick)
Mineola, N.Y. : Dover Publications ; Newton Abbot : David & Charles,
2002, c1975.
Summary: 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
Originally published as: Secret writing tricks. Nashville, Tenn. : T. Nelson, 1975.
Summary: 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
Cryptography
Ciphers
Cryptography.
Ciphers.