Above the Trenches: A Complete Record of the Fighter Aces and Units of the British Empire Air Forces, 1915-1920 (Repost)

The most comprehensive book written on the aces of the British Empire fighting scouts units during World War I, covers British, Canadian, Australian, New Zealand, South African and American pilots who were involved, has over 800 biographies of individual scouts with their full history, there is also a list of aces amongst gunners, bomber and Corps pilots.