Bill Gunston was a British aviation and military author. He flew with Britain's Royal Air Force from 1945 to 1948, and after pilot training became a flying instructor. He spent most of his adult life doing research and writing on aircraft and aviation. He was the author of over 350 books and articles. His work included many books published by Salamander Books.
Reasonable potted history of aircraft, with some interesting little details about each design. Best bit is the lovely cutaway diagrams, which are sadly lacking any list of components. This leaves identifying what each part is for up to educated guessing.