HOW TO KEEP A SECRET by Elizabeth & Carol Barkin James

HOW TO KEEP A SECRET

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KIRKUS REVIEW

Subtitled Writing and Talking in Code, this easy introduction steers readers once more through the standard code and cipher formulas. . . from Pig Latin through transposed letters, number substitutes, grids, and original symbols. . . fading out on cue with varieties of invisible writing. It also makes much of decoding keys and devices and how to protect them from enemy spies, and hides a running ""Fortune Cookie"" mini-mystery in the coded examples, deciphered (for the very lazy) in an appendix. Nothing new, nothing to stump an enemy spy with any of a number of existing handbooks, but briskly presented.

Pub Date: March 21st, 1978
Publisher: Lothrop, Lee & Shepard