P. D. James 
Cover Her Face 

Now a major Channel 5 series'The Queen of Crime.' New York Times Adam Dalgliesh. I've heard of him – ruthless, unorthodox, and working always against time. When the body of Sally Jupp is discovered in her bedroom – the door bolted from the inside – the occupants of Martingale house are sure that the blame for this unthinkable crime will fall on an unknown intruder. But each of them is hiding something. And there's only one man who can sift through the layers of deceit and pretence to unmask the true murderer: Detective Chief-Inspector Adam Dalgleish. 'A cunningly compulsive work . . . Heart-pounding.'Sunday Times'One of those extraordinary first novels which seem to step straight into the sophisticated preserves of the experienced writer.' Guardian