Co-author Lorne Welch. Both authors were well-known glider pilots. This is a history of gliding concentrating on the main stepping stones in the development of soaring flight. Pictorial dust jacket, orange-brown cloth-covered boards, gilt titles to spine, gilt motif to front board, 211 pages, illustrated from photographs and with diagrams etc. Condition: A little wear to the edges of the jacket, and along the fold of the front flap, creasing to the rear flap. Book bright, clean and sound.