Curious George is a character and a book series starring the character, a little monkey brought to the big city by the man in the yellow hat.

The series was written and drawn by the husband and wife team of Hans and Margret Rey, starting in 1941. At first only Hans Rey was credited for the work. The Reys produced many other children's books but the Curious George series was the most popular of all. It has been re-edited continuously in the six decades since the first volume came out. The current United States publisher is Houghton Mifflin of Boston.

Most curiously of all, George lacks a tail, a characteristic which traditionally seperates monkeys from the great apes.