Contains rings of seahorses that seem to rotate on the page, and butterflies that transform right before your eyes into two warriors with their horses. This work includes playful artistic creations, such as Shigeo Fukuda's Mary Poppins, where a heap of bottles, glasses, shakers, and openers somehow turn into the image of a Belle Epoque woman.

Features essays on religion, free thought, and nationalism.

A collection of essays on ethics, social morality, happiness, sex, adultery, marriage, and divorce.

First you see one thing, then another. The picture changes from one moment to the next, flip-flopping back and forth. That's an ambiguous illusion, and the ones in this largest-ever collection offer constant, pleasurable surprises.

Features 3D artistic optical illusions. Some have to be viewed through a pair of red and blue paper glasses, which come with the book: put them on and watch decorative cubes, towers, and other complex geometric drawings spring to life, gaining volume and space. Other illusions are visible to the naked eye, with colorful designs that seem to pop.

It defies logic! At least, that's what puzzle-doers will think as they work their way through this largest-ever compendium of geometric conundrums. When you look at these images - some classic, others never-before published - you'll have a hard time believing what the captions say about their size, shape, or other geometric aspect. For example, two tables appear radically different to the naked ..

Presenting a collection of topsy-turvy optical illusions, this work contains two different images in one picture - you just have to look carefully to see them both. The variety of art styles ranges from cartoon to classical, and every illustration has a fun surprise.

The Science of Visual Perception. An intriguing collection of baffling images and shapes that change before your eyes, plus explanations which demonstrate the science of visual perception.

They defy the rules of space, but captivate the mind. Most of these visions can't exist in the real world - only here, where artists play with perspective in the most remarkable ways. An Impossible Staircase goes up and down endlessly, with no highest or lowest step. How is that possible? And take a look at a very unique elephant: would it have trouble walking on its unusually-constructed legs?

Features hundreds of the world's most powerful optical illusions. Some of the mind-boggling images seem to spring into action, vibrating, pulsing, and spinning like a hula hoop. Other ambiguous illusions feature two subjects in one.

The most amazing and comprehensive collection of optical illusions ever assembled. Includes 300 different illusions, most of them never before published.

A child's exciting introduction to the world's most startling optical illusions.