This job lot of 21 Squadron/Signal books covers a fascinating range of topics relating to military aviation during World War II, including the US Air Force, Luftwaffe, Royal Air Force, and aircraft museums. The books provide a comprehensive look into the military history of aviation with a focus on a variety of topics such as World War I, combat, and the history of aircraft.
The books are in English and include titles from various authors on non-fiction narratives. If you are interested in aviation and military history, this collection is a must-have addition to your bookshelf.