Jane Yolen was born February 11, 1939 in New York City. She received her BA from Smith College in 1960. After college, she became an editor in New York City and wrote during her lunch break. She sold her first children's book, Pirates in Petticoats, at the age of 22. Since then, she has written over 300 books for children, young adults and adults. Her other works include the Emperor and the Kite, Owl Moon, How Do Dinosaurs Say Goodnight? and The Devil's Arithmetic, which tells the story of the life of a Jew in a concentration camp. She has won a multitude of medals for her work including the Kerlan Award, the Regina Medal, the Keene State Children's Literature Award, the Caldecott Medal, two Nebula Awards, two Christopher Medals, the World Fantasy Award, three Mythopoeic Fantasy Awards, the Golden Kite Award, the Jewish Book Award, the World Fantasy Association's Lifetime Achievement Award, and the Association of Jewish Libraries Award.
John Schoenherr was born in New York City on July 5, 1935. He received a B.F.A. from the Pratt Institute in 1956. During his lifetime, he illustrated numerous books for children and adults including The Wolfling and Rascal by Sterling North, Gentle Ben by Walt Morey, The Fox and the Hound by Daniel P. Mannix, Incident at Hawk's Hill by Allan W. Eckert, Julie of the Wolves by Jean Craighead George, and The Illustrated Dune by Frank Herbert. He won a Caldecott Medal in 1988 for Owl Moon by Jane Yolen and a Hugo award in 1965 for his science fiction artwork. He died of chronic obstructive pulmonary disease on April 8, 2010 at the age of 74.