Langham and Dupre mysteries

London, 1955. When crime writer Donald Langham's literary agent asks for his help in sorting out "a delicate matter," little does Langham realize what he's getting himself into. For a nasty case of blackmail leads inexorably to murder as London's literary establishment is rocked by a series of increasingly bizarre deaths. With three members of the London Crime Writers' Association coming to sudden and violent ends, what at first appeared to be a series...

It’s the bitterly cold December of 1955, and Donald Langham has been asked by his friend, private detective Ralph Ryland, to assist him on a case. Ryland has been contacted by their old commanding officer, Major Cartwright, who has reasons to believe that his life is under threat at his remote castle in the Scottish Highlands. On arriving at the castle, Langham and Ryland learn that Major Cartwright is attempting to raise the wreck of a German...

A country house weekend in rural Cornwall ends in murder and mayhem for crime-writer sleuth Donald Langham and his wife Maria.
"It's time to let bygones be bygones. Water under the bridge, right? What happened ... happened a long time ago."
When Langham's literary agent receives a cryptic letter inviting him to spend the weekend at the grand Cornish home of successful novelist Denbigh Connaught, Charles Elder seems reluctant...

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 or someone else's? Arriving at Winterfield on a cold...

The search for a missing artist draws Donald Langham and Ralph Ryland into London's criminal underworld with deadly consequences. London. April, 1957. Private investigator Donald Langham is approached by retired businessman Vernon Lombard to find his missing son, Christopher. But what appears to be a simple case of a missing artist becomes far more alarming when Langham realizes there's more to Christopher's disappearance than meets the eye, and...