The "2003 American X-Vehicles: An Inventory X-1 to X-50 Centennial of Flight Edition" is a vintage nonfiction book published by CreateSpace. Authored by Tony Landis, Jay Miller, and Dennis Jenkins, this illustrated trade paperback delves into the history of military and aviation vehicles in the United States. With a focus on the X-1 to X-50 aircraft, this book provides a comprehensive inventory and narrative of these iconic vehicles, making it an informative read for young adults and adults interested in aerospace history.