The Posssession of Cassie Quinn is an interesting paranormal/horror story that is suitable for the YA genre. There are many elements of this story that readers will find captivating, wondering if the events that were being talked about were actually true. Children who have step siblings will be able to relate to some of the characters' rivalry. For readers who love the paranormal and enjoy getting freaked out, the author leads the reader through the story keeping their interest with various events and happenings that will satisfy that desire. Children 13 years old and up will enjoy this 256 page novel.