"What in the world?" That's what you'll say when you open this amazing large-format photo book, full of real-life riddles and puzzling pictures. Patterns, colors, shapes, hidden animals, optical illusions, double-take photo comparisons, and much more will give your brain a workout and keep you coming back for more!

All Editions

Hardcover, 6th Edition

ISBN13: 9781426325380

Random House Uk, 2016

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