Free Download Ivan Moscovich, "Deviously Difficult Mind-Bending Puzzles"
English | ISBN: 1402718101 | 2005 | 128 pages | PDF | 7 MB
Play supergames for the super-smart. These mind-blowing, brain-bending puzzles use a deviously tricky mix of geometry and combinatronics (the different ways objects can be arranged), and emphasize structure, pattern, and color. Everything's visual and as enticing to the eye as to the wits. Try to solve the Impossible Domino Bridge Problem: at first glance, the top-heavy structure looks as if it would just tumble. But give it some thought and you'll realize that not only can it be built but that you can build it yourself. Take the Ingenious Tangram Challenge; put together a Stars Puzzle; and Draw, Halve, and Quarter all the rooms in a house into equal-size spaces. There's illuminating background information on the puzzles' origins, too.
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