Optical illusions trick your mind and confound your perception, and that's why these images--including three-dimensional mazes--will drive you crazy in the best of ways. Stare at a circular checkerboard closely; it will seem to pulsate and shimmer. And do those black-and-white patches actually link up to form the petals of a flower? Determine which twin brother has a bigger appetite by glancing at a drawing of both. (These guys don't look the same...or do they?) The only thing that won't be an illusion is the fun you're ...
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Optical illusions trick your mind and confound your perception, and that's why these images--including three-dimensional mazes--will drive you crazy in the best of ways. Stare at a circular checkerboard closely; it will seem to pulsate and shimmer. And do those black-and-white patches actually link up to form the petals of a flower? Determine which twin brother has a bigger appetite by glancing at a drawing of both. (These guys don't look the same...or do they?) The only thing that won't be an illusion is the fun you're having.
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Seller's Description:
Very Good. A few dirty marks, creases, scuffs, scratches and shelf wear on cover. Content is very good. Trade paperback (US). Glued binding. 383 p. Contains: Illustrations.
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Seller's Description:
Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.
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Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!