Crooked House (agatha Christie Audio Mystery)

Three generations of the Leonides family live together in a large, if somewhat crooked-looking house. Then the wealthy patriarch of the household, Aristide, is murdered-injected not with insulin for his diabetes but with a killer substance.Suspicion falls on the whole houselhold, including Aristede's two sons, his widow - fifty years his junior - and even his three grandchildren. Could any member of this seemingly devoted famly have had a hand in his death? Can Charles Hayward, fiance of the late millionare's granddaughter, help the police find the killer?