Mordicai Gerstein was born in Los Angeles, California in 1935. He attended the Chouinard Art Institute in California. He designed and directed animated films for twenty-five years. In 1970, he met author Elizabeth Levy, who asked him to illustrate her children's book Something Queer Is Going On. He has illustrated all of the books in her Something Queer series. He decided to try his hand at writing. His first picture book, Arnold of the Ducks, was published in 1980 and adapted into an animated film. He has also retold many ancient religious stories, such as that of Jonah in his book, Jonah and the Two Great Fish. He has won many awards including 2 CINE Golden Eagle Awards from the International Film and Television Festival of New York.