Intruder, by Freida McFadden

We all know storms blow in all sorts of things: debris, branches, and trees. But what about secrets? In this McFadden thriller, it all starts with Casey living in a cabin that’s not built for a hurricane, and one small gust could make it fall apart. However, she's more worried about the girl she discovers outside her kitchen window covered in blood and holding a knife for dear life. The lonely girl has a dark secret—one she’ll kill to keep. And if Casey gets too close to the truth, she may not live to see the morning. Join Freida McFadden in this thrilling book, and discover that not everything is what it seems.