The Ghost of Fossil Glen (Ghost Mysteries, 1)

Allie Nichols knows she's being pursued by a ghost. But her friend Karen calls her a liar and doesn't want to hear "stuff like that." It is Allie's old pal Dub who listens eagerly as Allie tells him about a voice that guides her safely down a steep cliff side, the face in her mind's eye of a girl who begs "Help me," and a terrible nightmare in which that girl falls to her death. Who is the girl? Is she the ghost? And what does the ghost want from Allie? Used paperback, very good condition.