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. 96 pages, 107 b/w illus., 5 3/8 x 8 1/4.
"synopsis" may belong to another edition of this title.
A collection of over 100 optical illusion puzzles, with explanations of the reasons for their effects.
"About this title" may belong to another edition of this title.
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