Mr Monster by Dan Wells
About that Content Warning ^^^ This series is descriptive and a little gruesome. There is demon-killing violence, violence by demons toward humans, and some mild swearing. Also, John gets a little out of control at times. I think 16 and up is a good “umbrella” recommendation, but it should be adjusted for the personality of the teen. It might be a good idea if a parent read this book before giving it to their teen—and discussing it afterward. That said, I loved it. As I […]