Title: Murder in an Armchair - Phyllis Dorothy James - book
Summary :
Adam Dalgliesh, one of Scotland Yard's finest sleuths, receives a letter from an old friend inviting him to visit. When he arrives at Toynton Manor—the institution for the disabled where his friend is the chaplain—Dalgliesh learns some sad news: Father Baddeley is dead and buried.
Dalgliesh doesn't believe it's a heart attack. So he lingers in this strange house. Toynton Manor quickly appears to him as a lair where intrigue, hatred, and jealousy create a stifling atmosphere. The series of mysterious deaths that follow only confirms his suspicions...
After The Prey for the Shadow , The Isle of the Dead , Murder in an Armchair confirms that PD James is indeed the new “queen of crime”.