G. Brian Karas was born in Milford, Connecticut. After graduating from Paier School of Art with highest honors, he worked as a greeting card artist at Hallmark Cards in Kansas City, Missouri. After three years he moved to New York and began freelancing as a commercial illustrator. His first illustrated book was published in 1983 (Home on the Bayou, which won the Boston Globe–Horn Book Honor), and he has since illustrated more than 50 books for children. His first book as an author-illustrator received a Boston Globe–Horn Book Honor in 1997.