optical illusions

Clever optical tricks build physical objects that appear to be impossible.

This book includes illusion basics, eye tricks, lengthy lines, patterns, afterimages, and more to boggle your mind.

The material in this volume originally appeared in Magic Eye: A New Way of Looking at the World, Magic Eye II: Now You see It..., and Magic Eye III - Visions: A New Dimension in Art.

This is a collection of stereograms, 3D images hidden within another picture.

A collection of over 100 optical illusion puzzles, with explanations of the reasons for their effects.

Describes how to perform magic tricks, optical illusions, and friendly practical jokes.