To Fear a Painted Devil — Ruth Rendell

THERE WAS NO PROOF A CRIME HAD BEEN COMMITTED BUT EVERYONE WAS A SUSPECT

No one liked Patrick Selby. If his death hadn't been so peculiar, no one would have questioned it. But even Dr. Greenleaf who signed the death certificate began to suspect foul play. Nearly everyone at the party had wanted Patrick out of the way: his estranged wife and her lover, his mistress's twin brother, and the man he had ruined. Motive and opportunity were not murder. But could a healthy young man die of a few wasp stings --or of terror? Or had a diabolically clever method of murder escaped his medical examination? Dr. Greenleaf had to discover the truth...