David A. Adler is the author of many popular books for children, including biographies, math books, and Judaica. 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.
Robert Casilla is the illustrator of several titles in David A. Adler's Picture Book Biography series, with subjects that include Martin Luther King, Jr., Rosa Parks, Eleanor Roosevelt, and Jesse Owens. He lives in Connecticut.