Theodor Seuss Geisel—known the world over as Dr. Seuss—wrote some of the most beloved children's books of the 20th century, including The Cat in the Hat, The Lorax, Green Eggs and Ham, and dozens more. His books have been adapted into Broadway plays, films, and television programs; the cartoon adaptation of How the Grinch Stole Christmas remains an enduring holiday favorite. Dr. Seuss's greatest legacy, however, is that he made learning to read so much fun for young children. In this newly revised biography, discover how Geisel had been rejected over and over again before he got his big break in publishing, how he contributed to the war effort in World War II, and how he forever changed the world of children's books.