Remember The Secret (Book 1) TWD

After the group(from The Walking Dead) escaped Terminus. They find a little girl in the woods all by herself. She takes them to the place where she and her family live. The longer the group stays the more they get suspicious. Some of the things they say or do don't sound right. The girl always distances herself from her family. Soon after she gets more warmed up to the group, but still dissent from her family. But then everything goes downhill. And they find out why the girl is the way she is.