If you liked The Colditz Story by P R Reid,
here are some books like this:
COMBAT SEQUENCE: Book (1) One, Book (2) Two, Book (3) Three: Lash Up, Leadership Material, Breaking Point, Al Jihad, Inside Job, Skyhawks Forever, Cybernights, There is No War in Melnica, Cav, Flight of Endeavour
Stephen (editor) (Larry Bond, Dale Brown, David Hagberg, Dean Ing, Barrett Tillman, Harold Coyle, Ralph Peters, James Cobb, R J Pineiro) Coonts
