This is a used hardcover US British Russian The Illustrated Encyclopedia of Helicopters Giorgio Apostolo Reference Book.  Total of 140 pages with lots of pictures and information. Discover the fascinating world of rotary-wing aviation with "US British Russian The Illustrated Encyclopedia of Helicopters." This comprehensive hardcover reference book by Giorgio Apostolo delves into the rich history and technological advancements of helicopters across three major aviation powers: the United States, Britain, and Russia. Spanning 140 pages, it is brimming with vivid photographs and detailed information that paint a vivid picture of various helicopter models, their development, and their diverse roles in both military and civilian applications. Whether you're an aviation enthusiast, a history buff, or a student of aeronautical engineering, this encyclopedia offers valuable insights and a wealth of knowledge, making it an essential addition to your collection. Explore the evolution of these incredible flying machines and gain a deeper appreciation for their impact on modern aviation.