The book of impossible objects : 25 eye-popping projects and illusions /
Murphy, Pat.
Palo Alto, Calif. : Klutz,
2013.
Includes book, wobblestone, set of hinged mirrors, acetate animations viewer, optical spinners, balancing acrobats, transforming sign, 3D stare-o-saurus, phenakistoscope wheel.
Title from cover of book.