Today Theodore Geisel would have been 103. He wrote under the name Dr. Seuss. Seuss made a living selling cartoons to magazines, and he also drew cartoons for advertisements. He published his first book for children, And to Think That I Saw It on Mulberry Street, in 1937. For the next 18 years his books were moderately successful. Then, in 1955, an educational specialist asked him if he would write a book to help children learn how to read. Seuss was given a list of 300 words that most first-graders would know, and he used those words to write The Cat in the Hat.
I think if I were given 300 words, I would come up something as deadly dull as The Bob Books. I remember when my kid was learning to read. Time crawled by with The Bob Books, which were filled with gems like "Sam sat on Bob. No, Sam, no."