The book has an optically intriguing cover which produces multiple 3D images of the person looking at it, one image in each of the circular shapes on the cover. The book is full of well presented items, including a pop-up page to illustrate a particular type of optical illusion. Published by Dorling Kindersley, London in 2013.
First published in Great Britain in 1998 by Orchard Books, London. Illustrations copyright Nick Sharratt 1998.