This ebook is a colorful collection of 36 mind-bending optical illusions in eight categories:

Illusions of SizeIllusions of PerspectiveGeometric IllusionsIllusions of ContourIllusions of ColorGrid & Motion IllusionsIllusions of the PossibleAmbiguous Images.

There is one illusion per page, and each illusion has a question for the reader to answer.

The second half of the book provides the correct answers, with illustrations and explanations of how the illusions work.

Readers of all ages will be fascinated!

Buy now and enjoy!