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Title: Brain Games: Brain Teasers, Logic Tests, and Puzzles to Exercise Your Mind, Author: Allen D. Bragdon
Title: The Book of IQ Tests: 25 Self-Scoring Quizzes to Sharpen Your Mind, Author: Philip J. Carter
Title: Bletchley Park IQ Puzzles, Author: Arcturus Publishing
Explore Series
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Title: 100 I.Q. Puzzles Vol. 2, Author: Randy Myers