ethan, a seventeen year old boy who is a nymphomaniac (sex addict), is the most popular kid at his high school. riley, a sixteen year old girl, finds herself falling head over heals for ethan. although she knows what kind of womanizer he is, she can't help herself but wonder what he's really like. little does she know, she would soon find out. (this book is not based off the movie nymphomaniac)