The German development of Helicopters before and during World war 2.The works of Focke-Achgelis, Dolbhof and Flettner. Appendixes about some of the helicopter t

This is the first major study of Germany's wartime helicopters in the English language and is the result of 15 years research. The book includes more than 350 s

Among the makers of these unusual aircraft were Focke-Wulf, Flettner and Wiener-Naustdter.

In depth descriptions and photographs of the aircraft of 21 nations presented with a unique human dimension that goes behind the machines to the people involved