Katy Hunter and the Shrieking Stones (en Inglés) - Moira Hodgkinson

Teen witch Katy didn't expect her peaceful camping holiday to be interrupted by ghosts and unnatural noises in the night. With the help of her best friend, Holly, she follows a trail of clues deep into the woods. A mysterious stranger and a series of bizarre discoveries bring new threats, forcing Katy to question who she can trust and who, or what, is lurking in the dark. It's all connected to an ancient monument and the legend of the Shrieking Stones. Some secrets are screaming to be heard!