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Pages: 100, Paperback, Independently published
Michael O'Mara Books
Number Games for Adults: Smart Puzzles and Brain Teasers to Challenge Your IQ
Brain Games for Clever Dads: Mixed Puzzles and Smart Teasers to Challenge Your IQ
Independently Published
IQ & Puzzle Challenge: 100 Questions to Challenge Your Brain and Boost Logic
Test your IQ: 365 Questions to challenge brain and boost logic
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