How (Not) to Kiss a Ghost — Elizabeth A. Reeves

Cindy's life is just starting to quiet down. She has her Timothy back and her bakeries are doing well. Life couldn't be better until strange things start to happen. Timothy's mother, who has been dead for sixteen years, comes to visit and Cindy's sisters are disappearing. As Cindy and Timothy start to investigate, they discover her sisters' lifeless bodies. Is it the kiss of death? Cindy must find the demon behind these kidnappings before she loses her whole family.