A rich assortment of visual mind-bogglers, including "impossible objects" - constructions that look fine on paper but can't possibly exist in reality - as well as pulsating patterns, vanishing spots, pictures that suddenly change into other configurations as you're looking at them, and much more. 60 black-and-white illustrations.
| ISBN: | 9780486401515 |
| Publication date: | 28th March 2003 |
| Author: | Tom Crawford |
| Publisher: | Dover Publications an imprint of Dover Publications Inc. |
| Format: | Paperback |
| Pagination: | 60 pages |
| Series: | Dover Game and Puzzle Activity Books |
| Genres: |
Puzzles and quizzes |