American X-Vehicles: an Inventory—X-1 to X-50
American X-Vehicles: an Inventory—X-1 to X-50, Dennis R. Jenkins/Tony Landis/Jay Miller, 2003, NASA Publication SP-2003-4531, 63 pp.
Get NASA’s American X-Vehicles: an Inventory—X-1 to X-50 (< 1Mb PDF download) for its span of flight experimentation of over 50 aircraft. Each X-plane has its own chapter and the PDF download is free. The book is concise and a pleasure to flip through looking at the obvious as well as the non obvious advances in aviation through the last several decades. Certainly, this book belongs in any aviation enthusiast’s library and, although free, it is priceless.