It's pretty obvious that this book has all the ingredients for a classic horror story—including zombies, werewolves, and necromancers—but it comes with a couple of twists.
First, the paranormal world depicted in the book isn't necessarily evil; in fact, our hero himself belongs to it. Rather than having your average Joe battling deadly creatures and mutants, Sam actually is a necromancer. While most horror stories focus on a normal person pitted against dark forces, the conflict instead is largely internal. "I needed to accept what I was," Sam says at the end of the book. "What I am" (31.110). Sounds like pretty much every teen ever, right? Which brings us to the next genre.
Hold Me Closer, Necromancer is classic young adult lit. It's often told by young adults, it's definitely written for young adults—hence all the young adults in the story—and, despite it's various beasts, it also tackles some pretty classic young adult stuff. You know, like identity, motivation, direction, inter-species sex… Okay, not so much on the last one. But you know what we mean.