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 IV of the encroaching American artillery could be heard getting louder and louder at this camp. When the sound of Allied artillery grew closer, the German guards were less harsh in their treatment of POWs, because the prisoner roles might soon be reversed. The POWs were only in this camp for about a week, when lagers A and B from Stalag Luft IV were taken out on their final march, this time east. This last march lasted approximately three weeks, but was just as harsh as the previous march except for the treatment by the Germans, which was somewhat better. There