"Rainbow Rhino" by Peter Sis is a 1993 children's picture book published by Random House Children's Books. The trade paperback features illustrations by the author himself and tells a narrative about animals, specifically hippos and rhinos. With a colorful and engaging storyline, this book is suitable for children of various age groups as well as adults who enjoy artwork and whimsical tales. Measuring 7.9 inches in length, 8 inches in height, and 9.8 inches in width, this 40-page book is a delightful addition to any book collection.