The Great Bowdini’s Optical Illusions

The Great Bowdini’s Optical Illusions
Tango Books (2005)
Roll up, roll up! Come and see the Great Bowdini’s sideshow of magical creatures, featuring the Spirally Serpent, Invisible Giant Bug, the Bloobs form Outer Space and many more. Each one incorporates a fantastic optical illusion and, if that wasn’t enough, a booklet at the back explains how they all work.