This from Garrison Keillor's Writers Almanac:
Dr. Seuss spent nine months composingAnd here is a . It uses just 220 different words and is 1,702 words long. He was a meticulous reviser, and he once said: "Writing for children is murder. A chapter has to be boiled down to a paragraph. Every word has to count."link to The Cat in the Hat translated into American Sign Language.