Frederick E. Smith and 633 Squadron

633 Squadron was the best-selling 1956 novel by Frederick E. Smith, in which a RAF Mosquito squadron undertakes a seemingly impossible mission to bomb a well-protected German factory at the head of a Norwegian fjord. The novel was successfully filmed in 1964.

Smith has written nine sequels to the original 633 Squadron, starting with the 1975 Operation Rhine Maiden and followed, in sequence, by