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 series of increasingly bizarre deaths.

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 fighter...

"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 to attend. What really happened between Elder and Connaught during the summer of 1917, nearly forty years before - and why has it had such a devastating effect on Charles? Accompanying his agent to Connaught House, Langham and his wife Maria discover that Charles...

"December, 1956. Donald Langham's wife Maria Dupre 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 winter evening, Donald and Maria meet five strangers who have also received numbered invitations. They all had a reason...

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 then makes a terrible discovery. Meanwhile, Langham's business partner Ralph Ryland's search for a missing greyhound forces him to...