Stalag Luft III it as a longer third-person narrative under the title "The Wooden Horse", which was filmed as "The Wooden Horse" in 1950. He included many details omitted in his first book, but changed his name to "Peter Howard", Michael Codner to "John Clinton" and Oliver Philpot to "Philip Rowe". Williams also wrote a prequel, "The Tunnel", an extended study of the mentalities of life as a prisoner of war. Although not an escape novel, it shows the profound urge to escape, and explores the ways that camp life affected men's emotions. Paul Brickhill was an Australian-born Spitfire pilot, shot down in
Stalag Luft III followed a practice whereby the different branches of the military were responsible for all POWs of equivalent branches. Hence the "Luftwaffe " was normally responsible for any Allied aircrew taken prisoner. This included captured naval aviators, such as members of the British Fleet Air Arm. In a few cases, other non-air force personnel were also held at "Stalag Luft III". "Stammlager Luft" (literally "Main Camp, Air") was "Luftwaffe "nomenclature for a POW camp. While the camp initially held only POWs who were officers, it was not known by the usual terms for such camps – "Offizier Lager" or "Oflag". And