Compilation of Optical Puzzles from 6 authors. Large paperback 8 1/4" X 11"

Giant Book of Optical Puzzles

Humor & Entertainment

Keith Kay

Puzzles & Games

Main Street

Ce que vous voyez n'est pas toujours ce qui est la!

Grand Livre Du Casse-Tete Optique

Sterling*+ Publishing Company

Great Book of Optical Puzzles

Sterling

Mind-blowing conundrums that will sharpen your thinking skills. These fascinating, brilliantly colorful puzzles will strain your brain and dazzle you visually. The picture challenges have a trick to fool you: from vivid optical illusions to 3-D effects. Some problems require a little math but before doing the arithmetic, you ll have to figure out the logic underlying the question.

BrainStrains Eye-Popping Puzzles

Frank Coussement

Peter De Schepper

Sterling_Publishing

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Books by Keith Kay