The Great Escape

The book i am reading is called The Great Escape and I just started and I am only on chapter 4. But so far it is taking place in WW2 in a German prison camp called “Stalag Luft III”. There is a man named Roger Bushell a young squardron leader has a plan to escape. They plan on building underground tunnels and to free 220. I cant wait to read more it is a really good book so far