The Mad Scientist's Secret (Amazing Adventure Puzzle Thrillers)
By Marvin Miller.
Description
For fans of Miller's You Be the Jury and You Be the Detective books, this exciting, new picture-puzzle mystery recruits young readers as secret agents who must solve visual puzzles and minute mysteries in order to stop a mad scientist from taking over the world. - from Amzon
ISBN(s)
0590494384, 9780590494380