The subject of this biography Frank Halford worked with Roy Fedden, and especially Harry Ricardo, was an aviation pioneer and responsible for a highly successful series of aero engines - the de Havilland Gypsy series, as well as the same company’s Goblin and Ghost jet engines. This is an interesting and readable biography of this remarkable man and his career. 221 pages with 71 photos and illustrations. Paperback. R-R Heritage Trust