Creekhouse by Renna Olsen

http://www.amazon.com/Creekhouse-Renna-Olsen-ebook/dp/B00HDPBWPW/ref=sr_1_1?ie=UTF8&qid=1387336401&sr=8-1&keywords=renna+olsen

When Katherine Mitchell moves with her young son, Danny, to the country after the tragic death of her husband, she has no idea of the horrors that await them in Wind Valley. After a series of frightening and mysterious attacks, she discovers the strange and cannibalistic history surrounding her new home and she is terrified to realize that history is repeating itself. Katherine, Danny and their new friends, including a Native American handyman, the neglected neighbor boy and the town veterinarian battle an ancient evil awakened in the hills above Wind Valley as well as a wicked presence in Katherine’s own house.