Demon - Book Two Of The Carmody Chronicles

Pear Tree Hill Farm has always possessed an eerie reputation. No-one would willingly spend time there. Years ago the Cresswell family was destroyed in a terrible tragedy - now it's as if an evil presence hangs over the place waiting for something, or someone.
Luisa and Ruben get drawn into a terrifying, haunted world where nothing is as it seems.
Who will survive an evil that can live on forever?