Seckel, Al

Presents a collection of over 280 optical illusions in both color and black-and-white, including brief scientific explanations of why each effect occurs.

A collection of optical illusions, many of which give the impression of movement or dimension.

A collection of optical illusions from throughout history, some of which must be turned around and upside down to be understood.

A gallery of over one hundred optical illusions, each with an explanation.

Contains over 275 optical illusions, each with an explanation, and includes information on the science of visual perception.