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 Dear Genius; Minders of Make-Believe; The Annotated Phantom Tollbooth; Show Me a Story!; and most recently Randolph Caldecott: The Man Who Could Not Stop Drawing and Maurice Sendak: A Celebration of the Artist and His Work.

A frequent contributor to the New York Times Book Review and the Horn Book magazine, Leonard is a founding trustee of the Eric Carle Museum of Picture Book Art and the curator of the New York Public Library’s major exhibition for 2013, The ABC OF IT: Why Children’s Books Matter. He has lectured around the world and appeared on numerous television and radio programs. Leonard teaches a popular course on children’s books and child development at New York University. He lives in Brooklyn, New York.