Paraquin, Karl Heinz. The world's best optical illusions / [electronic resource] / Charles H. Paraquin.. — New York : : Sterling Pub. Co.,, 1987, c1977.. — 96 p. : : ill. ; 21 cm.
Translation of: Schummelbilder. First paperback ed. published under title: Optical illusion puzzles. Includes index.
Анотація: A collection of over 100 optical illusion puzzles, with explanations of the reasons for their effects.