The Devil on Davis Drive

The sellers have a daughter named Samantha, and Samantha claims to have been possessed by the Devil.

Although she initially ignores Samantha's warnings, Mercy soon comes to realize that there's something very wrong with the girl. As she tries to help the family sell their home, Mercy discovers that after facing up against several ghosts, she might now have to deal with the most powerful evil that has ever existed. Or is the house on Davis Drive hiding another, even more shocking secret?

The Devil on Davis Drive is the ninth book in the 13-part Mercy Willow series, about an estate agent in deepest Cornwall who develops the unusual ability to communicate with ghosts. Readers are advised to start at the beginning of the series. This book ends on a cliffhanger.