Do you know how young Sergeant-pilot Jack Sherwood left a Nazi prison camp? On the end of a home‑made, twelve‑foot vaulting pole!And this is only one of a hair-raising series of close shaves Jack survives in this great yarn. Sprinter, weight‑lifter, jumper and vaulter, this crack athlete has to pull out everything he knows before he gets clear of the Germans to fly - and fight - again.