NOW YOU SEE IT, NOW YOU DON’T

Appealing to readers of all ages, this instructive work unlocks the secrets behind more than 80 classic illusions, fascinating visual phenomena, and easily performed optical experiments. Illusions are accompanied by detailed explanations and questions that focus attention. In addition to drawings and text, the book includes eight full-color plates plus nine examples of optical tricks in art with prints by such artists as M.C. Escher and Jacob Van Ruisdael.