A spectacular monster pop-up picture book that reassures children about the monsters in their closets and under their beds. By the beloved creator of The Rainbow Fish. Author: Marcus Pfister is the author of the phenomenally successful Rainbow Fish series, as well as many other books for children. He has worked as a graphic artist, a sculptor, a painter, and a photographer as well as a children's book creator. Pfister lives with his family in Berne, Switzerland.