This book is about a girl named Kendall who has physic abilities, she can see and hear ghosts. Kendall and her friends call themselves ghost huntresses. They help people who have ghosts in their homes, and help the ghosts go into the light. In this book Kendall's archnemsis you could call her, Courtney starts pretending to have physic abilities like Kendall. But soon it turns deadly, an angry ghost inhabiates Courtney's body, during a seance. Kendall and her friends must try to help Courtney and the spirit who's in her. This book is similar to the t.v shows you see, like Ghost Hunters and Ghost Hunter Academy. An interesting book/series by Marley Gibson.