Diane Stanley is the author and/or illustrator of more than sixty books for children, noted especially for her award-winning picture book biographies. She and Jessie Hartland recently collaborated on Ada Lovelace, Poet of Science, which was named an ALA Notable Book and an Amelia Bloomer Top Ten Book, among other accolades. Diane is the recipient of the Washington Post/Children’s Book Guild Award for Nonfiction for the body of her work. She lives in Santa Fe, New Mexico. You can visit her at DianeStanley.com. Jessie Hartland is the author and illustrator of many nonfiction titles for young readers, including Our Flag Was Still There, which was named a Bank Street Best Book of the Year. The New York Times praised her “joyful folk-art illustrations” in Harlem Grown, written by Tony Hillery. She has painted murals at a Japanese amusement park, designed Christmas windows for Bloomingdale’s, and put her mark on ceramics, watches, and all sorts of other things. She has done drawings for many magazines and newspapers, including The New York Times, Travel and Leisure Family Club, Martha Stewart Kids, and Bon Appétit. She lives in New York City. Visit her at JessieHartland.com.