Wolfrider is a mysterious book about when a phone call goes wrong. Avi tells the story of how Andy was once alone at his house in the kitchen and the phone rang. He answered the phone. A voice replied "I just killed someone!" Andy was talking to him, but the person told him not to tell anyone, but Andy couldn't stay quiet so he started telling everybody. He thought that they would believe him, but nobody believes him at all. Not even his friends, his father, police and many more, they think he's a crying wolf. He starts to investigate about the crime that Zeke had done. He finds out that Nina Klemmer is not dead. He tries to talk to her about it, but she doesn't listen. Read the book to find out more about it.