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The Cat's elbow and other secret languages (1989)

The Cat's elbow and other secret languages (1989)

The Cat's elbow and other secret languages (1989)

The Cat's elbow and other secret languages is a 1989 ciphers book written by Alvin Schwartz and Margot Zemach.

Presents instructions for speaking thirteen secret languages, including Pig Latin, one of the best known and easiest codes to learn, and Boontling, developed by people in a California town.