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The Mammoth Book of New IQ Puzzles
The variety of math, logic, and word puzzles range from reasonably straightforward to fiendishly difficult in this comprehensive collection. Fully endorsed by the International High IQ Society, this book represents the gold standard of IQ testing.
Paperback, 512 pages
Published March 9th 2010 by Running Press Adult
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Some of the puzzles were really fun to solve, but there were a lot of mistakes (like coppying answers) and also some questions that were clearly wrong or not that clearly set out. The book also required a lot of specific knowledge about particular subjects like geography, american history or literature and from this it's more accessible to people with american education - not for everybody. A few questions were too easy for their catergory, others - too hard.