Frog and Toad is a series of easy-reader children's books, written and illustrated by American author Arnold Lobel.

Arnold Stark Lobel was an American author of children's books, including the Frog and Toad series and Mouse Soup. He wrote and illustrated these picture books as well as Fables, a 1981 Caldecott Medal winner for best-illustrated U.S. picture book. Lobel also illustrated books by other writers, including Sam the Minuteman by Nathaniel Benchley.