Many of us can't remember a time when The Cat in the Hat didn't exist. Have you ever wondered how Dr. Seuss wrote his most famous book? As this account for readers 4 to 8 reveals, Seuss (a.k.a. Ted Geisel) was only allowed to write it using words from a strict list—inspiring him to new heights of madcap wordplay and rhyming. Judy Sierra offers this "making of" account in some rhymes of her own, while Kevin Hawkes evokes 1950s America with his whimsical paintings.