From New York Times bestselling author Shel Silverstein, acclaimed creator of Where the Sidewalk Ends, The Giving Tree, A Light in the Attic, and Falling Up, comes a boy’s tribute to a perfectly unexpected pet: a rhinoceros. In this cherished classic, published for the first time at HarperCollins, Silverstein delivers a hilarious look at the joys of having a rhinoceros as your friend, with his signature humor and black-and-white artwork.