Murder by Numbers

And then there was one . . . can Donald Langham and Maria Dupré stop a killer who''s picking off victims one by one?

December, 1956. Donald Langham''s wife Maria Dupré receives a chilling invitation to attend a death at the home of Maxwell Falwell Fenton in Essex. The once-prominent artist has a number of enemies, and has faded into obscurity since the war ended. Is the invitation to his own death ...