Death in the Cul-De-Sac by David I. Strasser

5.20

Anita Jackson is thrilled when she and husband Jack move to an exclusive neighborhood with their adopted daughter Jilly. When she is invited to join the development's "Wives Club", her calendar is suddenly filled with parties, play dates and posh lunches. But strange things keep happening and the wives are more interested in befriending Jilly than her. When she discovers a former member of the Club died suspiciously, she is certain those Wives killed her.