The Long Shadows of October - Paperback

When Joe and Danny take on the job of housesitting Snowden Manor, they fail to realize they won't be in the house alone. Inside the walls swarms a specter made of equal parts ghost, succubus and witch, and she uses the manse as a prison for souls. Now that October's supermoon is falling over the mountains, she is ready to rise and reclaim her flesh.
Kayla has a crush on Joe, so when he asks her to come to a party at the manor she accepts his invitation. But no sooner do they get there than strange things start to unfold. People go missing, a mysterious dog appears, and then the boys begin to change . . .
Wraiths warn Kayla to save her friends before they're devoured by the seductive witch. But she must hurry. For as Halloween approaches, the manor becomes a vessel for the black magic of the mountains, and the shadows that rule the woods return home.