The Noonday Devil — Ursula Curtiss

Nick Sentry had eluded the snare of the hunters, had come safely out of Bataan into prison camp. The day by day hazards of war had left him alive and well enough to try for freedom. But his escape was climaxed by the noonday devil, murder, his own. Andrew, Nick's brother, stalks the unknown murderer, the man who calls himself Sands. Who is Sands? Three men know, one is killed for it...