Development and service history of Hart Family aircraft including: Hart, Demon, Osprey, Audax, Hardy, Hind, Hector. One of the most important and successful aircraft in the inter-war period, the Hawker Hart family of biplanes was used extensively across the whole British Empire from India to Afghanistan, Australia, New Zealand and South Africa, in almost every imaginable role. Comprehensive coverage of the origin and development of every version, with service and operational details Previously-unpublished photographs, and images from official archives and private collections around the world Specially-commissioned scale line drawings and colour profiles PLUS an extensive set of exclusive colour walk-round photographs, full colour notes, a survivors list and historical pilots notes and a modern test-pilot’s view.