David A. Adler is the author of more than 200 picture books for children, including biographies, math books, and mysteries for children. His strong interest in history and biography led to his bestselling Picture Book Biography series. He lives in New York State with his wife and family.
Gershom Griffith was born in Barbados, West Indies, and moved to Brooklyn, New York, when he was eleven years old. He attended the High School of Art and Design and the Art Students League of New York. He lives in Marietta, Georgia.