PETER SIKORA is an aviation researcher, historian and writer who specialises in the history of the Polish Air Force between 1918 and 1946, with a particular interest in the achievements of the Polish airmen during Second World War. Peter has already had a number of books published in Poland, including Aces of the Polish Air Force, Battles of the Polish Air Force 1918-1945 and Polish Wings Over Ireland. He also writes historical articles for the leading Polish aviation magazines.