The Cambridge Siren: The thrilling wartime mystery

Autumn, 1941. The third year of war and still the siren sounds, driving the people of Cambridge from their beds to trudge to one of the city's crowded bomb shelters. At dawn, the body of a young man is found in a shadowy corner. Everything points to suicide, but Detective Inspector Eden Brooke has his doubts given the unidentified man has a suspiciously tropical suntan and the detective's office telephone number scrawled on the back of his hand. Did the victim know his life was in danger?
Br...