Singing in the Shroud by Ngaio Marsh

Singing in the Shroud by Ngaio Marsh, Berkley Press, 1960. Rare Vintage Paperback. 190 pgs. Very Good Condition, Pages beginning to tan. Roderick Alleyn #20, The Cape Farewell steams out to sea, carrying a serial strangler who says it with flowers and a little song. Behind, on a fogbound London dock, lies his latest lovely victim; and on board, working undercover to identify him before he strikes again, is Inspector Roderick Alleyn. But-with a collection of neurotic, bombastic, shifty, and passionate passengers at one another's throats-how long can he keep the investigation on course?