Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Childish fiction

I bought this book in the series after watching Cruise's take on the character in "Jack Reacher." Cruise made the character believable whereas the author fails miserably. A MP major, this clueless? A West Point grad? Get real! So much gruesome violence. The movie, however, has interesting aspects. Cruise defends and makes reasonable Reacher's withdrawal from the mainstream.As a shooting competitor, I also found the movie interesting for its 308 shooting/reloading. The author on the other hand made several firearms technical errors. The book: Jejune. Puerile.