London: Greenhill Books, (2004),
First Edition. octavo, maroon boards in pictorial dust jacket. 80pp. Greenhill Books, Item #18896
Numerous Luftwaffe planes were designed and reached prototype stage but never went into mass production and battle. The X-Plane was one of a remarkable range of secret planes that the Third Reich failed to complete. Illustrated with numerous aircraft photographs. Appendixes. As new.