The Mammoth Book of Quick Puzzles - book
Type: Brain Teaser
Author: Nathan Haselbauer
So you think you're a genius? This brilliant new collection of tantalizing puzzles and top-grade problems by the founder of the International High IQ Society will "puzzle" your mind with extreme mental exercise. Over 300 original puzzles from graphic conundrums to logic puzzles and word teasers cover a broad range of difficulty.
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