Author: Derrick Niederman
Reprint edition published in April 2020.
Reading Level: 12-55 years
This fat little book is packed with math puzzles of every type you can imagine-puzzles with numbers, puzzles with shapes, logic puzzles, trick puzzles, and a whole lot more. Some of the puzzles are fairly easy, but others are quite challenging. Which are which? Well, the difficulty level isn't the same for every solver out there, but to give you an idea of what to expect, we've placed pictures of our puzzle dog on each and every puzzle page, according to the following scale.
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