Wreckers Must Breathe is a 1940 thriller novel by the British writer Hammond Innes. It was published in the United States by Putnam's under the title Trapped.Vinson & Kirkpatrick p.455 Set in the early stages of the Second World War, it tells a story about German U-boats operating from a secret base in Cornwall.Redford p.205 The title refers to the tradition of wrecking on the Cornish coast.
References
Bibliography James Vinson & D. L. Kirkpatrick. Contemporary Novelists. St. James Press, 1986. Duncan Redford. The Submarine: A Cultural History from the Great War to Nuclear Combat. I.B.Tauris, 2015.