Stephen Stanley's Puzzle Planets — Stephen E. Stanley

Travel to the DELTA SYSTEM and explore its twelve strange planets. At the same time search for Professor Hozzlebrun- renegade scientist and inventor of the Replica Ray. In this hardback version of the popular and amazing puzzle book there is a bonus double page spread of the Other Side of Planet Squarex! Children of all ages will love discovering the inhabitants of the planets and searching for the professor.