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Mind Twisters
Godfrey Hall
Paperback (Random House Books for Young Readers, Feb. 25, 1992)Presents puzzles, experiments, optical illusions, card tricks, things to make, secret codes, number tricks, and more
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Mind Twisters
Godfrey Hall
Hardcover (Random House Books for Young Readers, March 24, 1992)Demonstrates pages of brain-boggling puzzles, experiments, optical illusions, secret codes, and activities for a rainy day that can be executed with inexpensive items found around the house.
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