The Night Sister by Jennifer McMahon

Do you believe in monsters? I do now and so will you after reading Jennifer McMahon's latest thriller.
An old motel, one small town, three girlfriends and a boy in love with two of them combined with one huge secret and you have this summer's hottest thriller. Tense, mysterious and downright creepy story line that begins with two sisters in a small town and jealousy and ends in tragedy years later. The moral of the story is- don't go digging too deep if you are not prepared for what you will find.