MARK HILLIER is a chartered surveyor who has a passionate interest in of the history of the RAF, with a particular focus on the Second World War. He is also a qualified pilot, having flown for more than twenty-eight years. Mark currently flies a Stearman biplane from Goodwood Aerodrome, the former RAF Westhampnett. He has previously written or co-authored seven successful books on aviation, including the biography of Wing Commander Thomas Murray DSO, DFC and Bar, contributed numerous magazine articles and is a regular public speaker on aviation matters.