Did you know? Three Seuss titles: "Green Eggs and Ham", "The Cat in the Hat, " and "One Fish, Two Fish, Red Fish, Blue Fish" are on the top 10 all-time best-selling children's hardcover book list.

Altogether, Seuss wrote and illustrated 44 books which have sold more than 100 million copies in 18 languages, including Latin.

Did you know? "How the Grinch Stole Christmas" was made into a TV special by MGM in 1966 and has aired every year since.

Just the facts After attending Dartmouth College and Oxford University, dr. Seuss began a career in advertising creating cartoons.