Champlin Fighter Museum Press, Arizona, 1st ed., 1986. 336 pp., frontis., + numerous photo-ills., cold., ills., + 2 maps. D.j., 29 x 22cm. FINE. This book tells the story of all forty-nine air aces of the Austro-Hungarian Empire in World War One. Biographies of all the aces and details of their combat operations are accompanied by 240 rare photographs of the aces and their aircraft. There are also 16 pages of full colour profile illustrations which depict the aircraft of fifty of the aces. Aircraft are also fully described in the text. Appendices include : A brief overview of the Austro-Hungarian Army Air Service ; The Austro-Hungarian LFT Serial Number System ; The Aircraft of the Aces ; The Aces Victories by Aircrew Role ; The Aces’ Victory Lists ; Maps. A bibliography and an index of names conclude to make this book a definitive reference.