With the Allied invasion of Italy about to get underway British POWs at an Italian-run camp plan an escape before they can be turned over to the Germans. Unfortunately, there's a traitor in their midst. Gilbert was a POW at such a camp during the war. First published in 1952.

The Danger Within 2007, Rue Morgue Press

ISBN-13: 9781601870094

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The Danger Within 1989, Harper Perennial, New York, NY

ISBN-13: 9780060809553

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The Danger Within 1978, HarperCollins Publishers

ISBN-13: 9780060804480

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