Slaying is Such Sweet Sorrow — Patricia Harwin

FILE "M" FOR MURDER
Librarian and former New Yorker Catherine Penny has already sleuthed out the truth behind a deadly house fire since settling in the tiny English town of Far Wychwood. But nowhere is too far for painful memories to find her when her ex-husband, who left her single in her sixties, arrives with his new lady love to attend a family affair. Catherine can't avoid him at the awards ceremony honoring their son-in-law, Peter, who is a shoo-in for a prestigious appointment at Oxford's Mercy College. But the shock of Peter not being chosen is matched only by who is: pompous, womanizing scholar Edgar Stone. And when Stone is found murdered, Peter's guilt seems hardly academic....