Jane Hyatt Yolen (born February 11, 1939) is an American writer of fantasy, science fiction, and children's books. She is the author or editor of more than 350 books, of which the best known is The Devil's Arithmetic, a Holocaust novella. Her other works include the Nebula Award−winning short story "Sister Emily's Lightship", the novelette "Lost Girls", Owl Moon, The Emperor and the Kite, the Commander Toad series and How Do Dinosaurs Say Goodnight. She has collaborated on works with all three of her children, most extensively with Adam Stemple.