S. D. Nelson, Maȟpíya Kiny’An (Flying Cloud), is a member of the Standing Rock Sioux Tribe in the Dakotas and the author and illustrator of inspiring children’s books that celebrate Lakota and Indigenous cultures. Awards include an American Indian Library Association Honor Book, an ALA Robert F. Sibert Honor, and two Spur Awards from Western Writers of America. His original paintings are held in many national collections, including the Smithsonian Institution’s National Museum of the American Indian, Little Bighorn Battlefield National Monument, South Dakota State Historical Society, the Crazy Horse Memorial and State Historical Society of North Dakota. He lives in Cottonwood, Arizona.