SHEILA KEENAN is an established author of fiction and nonfiction, including As the Crow Flies, a picture book collaboration with her artist-husband Kevin DugganGreetings from the 50 States: How They Got Their NamesAnimals in the House: A History of Pets and PeopleO, Say Can You See? America’s Symbols, Landmarks, and Inspiring WordsGods, Goddesses, and Monsters: A Book of World MythologyShe also collaborated with David Macaulay on his new series of beginning readers:Castle: How It WorksJet: How It Worksand the upcoming How It Works books on toilets and eyes.Her latest book, Dogs of War, is a graphic novel of historical fiction based on the role of dogs in the military; it will be published by Scholastic Graphix in Fall 2013.She lives in New York City and you can visit her at www.sheilakeenan.com