Eye Twisters: Ambigrams & Other Visual Puzzles to Amaze and Entertain
An experienced and enthusiastic ambigrammist Burkard Polster teaches mathematics at Monash University, Australia. He is the author of various books, including ones on the mathematics of juggling a guide to the (mathematically) best way to tie your shoelaces and QED: The Beauty in Mathematical Proof. He lives in Australia.--This text refers to an out of print or unavailable edition of this title.