A rich assortment of visual mind-bogglers, including "impossible objects" — constructions that look fine on paper but can't possibly exist in reality — as well as pulsating patterns, vanishing spots, pictures that suddenly change into other configurations as you're looking at them, and much more. 60 black-and-white illustrations.
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Fun with Hand Shadows by Frank Jacobs, Henry Bursill Clear visual instructions for creating 28 delightful images from a popular 19th-century picture book: goose, deer (with antlers), birds, bunny, dog, elephant, tortoise, and other engaging creatures.