Death in Captivity is a mystery novel by the British crime writer Michael Gilbert, first published in the United Kingdom in 1952 by Hodder and Stoughton and in the United States by Harper & Brothers as The Danger Within. It was Gilbert's sixth novel and, unlike his previous ones, does not feature Chief Inspector Hazlerigg in any way. Nor is it set in Gilbert's usual locales of London, the English countryside, or France. Instead, while it has many of the elements of the classic detective story, it is also a gripping novel of mounting suspense that takes place in a 1943 prisoner of war camp for British officers in northern Italy—it was the first of Gilbert's numerous later works that would feature suspense and danger as much or more as elements of detection. Gilbert himself had been a Britis