David A. Alder is the author of the acclaimed "Picture Book Biography" series for children, many Judaica titles, and several riddle books. He lives with his wife and three sons in New York.
Wallner has written and illustrated many biographies for children about remarkable women, such as "Grandma Moses", "Abigail Adams", and "Beatrix Potter". She is inspired by Lucy Maud Montgomery, who always believed in her writing and never gave up. She and her husband live in Mexico.
John Wallner has illustrated many books for children, including "Helen Keller: A Holiday House Reader", and "A Picture Book of George Washington" and "A Picture Book of Davy Crockett", both illustrated with his wife, Alexandra, all written by David A. Adler. "Booklist" has called his art "lively [and] colorful." He lives with his wife in Mexico.