To Fear a Painted Devil

by Ruth Rendell

Almost everybody in Linchester had hated Patrick Selby, including his wife - and all with good cause. There was almost no one who had been at that ghastly, fateful party who wouldn't have been happy to see Patrick dead. But was that enough to assume murder?

Classic who'dunnit. 

first published 1965 . This edition reprinted 1988. Paperback in very good condition.