Molly and Michael dislike their spooky new stepsister Heather but realize that they must try to save her when she seems ready to follow a ghost child to her doom.

Tired of the rules that have bound them ever since "the bad thing happened," twelve-year-old Diana ignores her brother's warnings and befriends the daughter of the new caretaker, setting in motion events that lead to the release of the spirit of an evil, crazy woman who once ruled the old Willis place.

"They say that a ghost witch lives in the woods, up on Brewster's Hill. They say her companion, Bloody Bones, has a pig skull for a face and stands taller than a man, his skeleton gleaming white in the moonlight. They say that the witch takes young girls, and no one ever sees them again. Daniel doesn't believe the stories about the witch or her beast. He figures the kids on the bus are just trying to scare him, since he's new. But when his sister,...