A seemingly normal lock down drill happeneds, five students hide in the boys washroom. But the longer the lockdown lasts, they realize that this isn't a drill. And something's going on.
I really liked shooter, and I would recommend it to people who like realistic-fiction and suspension full books there thing. It really does get you on the edge of your seats sometimes. Though at times it can be really slow, but it's worth reading it to the end.