Leonard S. Marcus is one of the world's leading writers about children's books and the people who create them. His own award-winning books include Listening for Madeleine: A Portrait of Madeleine L'Engle in Many Voices; Dear Genius: The Letters of Ursula Nordstrom; Minders of Make Believe; and The Annotated Phantom Tollbooth. He lives in Brooklyn, New York.
Randolph Caldecott (1846-1886) was a British artist and illustrator and the namesake of the Caldecott Medal. Although primarily known for highly influential children's book illustrations, he also lent his artistic skills to novels, travel writing, and humorous cartoons, as well as sculpture and paintings. Some of his best known illustrations appear in The House That Jack Built, John Gilpin, The Three Jovial Huntsmen, and A Frog He Would A-Wooing Go.