Killing Words — Diana Ramsay

Amelia Cunningham knows that some of the women in her knitting class are not as happy as they seem in their small, self-satisfied college community of Northvale, Vermont. But when Amelia, the wife of a Northvale English professor, jokingly suggests that anonymous notes would upset the smug routine, she never expects to find one in her mailbox - or that a similar note will drive another faculty wife to suicide.
Hoping to ease her guilty conscience, Amelia tries to learn more about the victim, an eccentric woman married to a cordial department chairman. The more questions she asks about the woman's life, however, the more resistance she meets from unexpected sources, including friends who suddenly act as if they have something to hide. As tensions start to percolate, Amelia's simple investigation draws her into an ominous tangle of deception that could make her the next target of cleverly disguised foul play.