Book excerpt: A specialist in visual perception, Ninio (Centre National des Recherches Scientifiques, Paris) presents many classic and new illusions, explains the underlying logic of the various types, and suggests their value for neurological and physiological research. He does not provide an index. La Science des Illusions was published in 1998 by Editions Odile Jacob. Philip has translated widely from the French, including an autobiography of Francois Jacob. c. Book News Inc.