Invasion of the Widows Club by Joyce Livingston

Valentine Denay, still feeling an allegiance to her deceased husband, is hesitant to move forward in life and love. Robert Chase is ready to make a lifelong commitment, but Valentine's heart seems rooted to the past. Will Robert have the patience to wait, or will Valentine miss this second chance at happiness? When Jade Jansen moves into the neighborhood, she's readily accepted into the Widows' Club. But soon strange events prompt Valentine to suspect all is not what it seems. Will the mystery be solved before there's one less member of the club? Lose yourself in this riveting rendezvous of romance and revelations.