Gyles Brandreth, "Great Book of Optical Illusions"
1985 | ISBN-10: 0806962585 | 98 pages | EPUB, MOBI, PDF | 20 MB
The puzzles in this book are optical illusions. They are straight lines and perfect circles and two-way tricks and other shapes and drawings that keep you from seeing what's there-or make you see something that isn't there at all.
Here are pictures that seem to move, images that mysteriously disappear and reappear, others that seem to be there but aren't--plus over 100 more amazing illusions. "Entertaining collection...I applaud the number and variety of images presented."-- "Science Books & Films, Best Children's Science Booklist, 1988
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