Combines two previously published works, resulting in ninety-three brain-teasing puzzles, riddles, and questions with an emphasis on humor.

Contains color and black-and-white illustrations of over three hundred optical illusions, each with brief, explanatory text.

"Fantastic Optical Illusions is filled with visual illusions, color tricks, perplexing puzzles, quizzes, and more"--Provided by publisher.

Filled with more than 150 amazing, colorful illusions, this collection features images of previously unpublished illusions, moving patterns and color perception, and more. Each image comes with an explanation of how it works and details of why it fools the human brain.

Thirty entertaining, challenging mazes: 3-D constructions, directional arrows, designated stops, and more. From easy "No Brainers" to "Full Brain Overload," which might take hours to solve. Includes "hints section."

Presents a collection of vivid optical illusions, encompassing a wide range of visual tricks and deceptive eye puzzles, from images that appear to move to perplexing distortions and hidden objects.

Presents a collection of visual challenges, riddles, and puzzles.