"Monster Hunter International" is a fantasy novel written by Larry Correia. It follows the story of Owen Pitt, an accountant who becomes a monster hunter after a terrifying encounter with a supernatural creature. The book is set in a world where monsters like werewolves and vampires exist, and it explores the challenges and dangers faced by those who hunt them. The narrative combines action, humor, and horror, showcasing a diverse cast of characters who work together to combat various threats. The novel is the first in the Monster Hunter series, which has gained a dedicated fanbase for its engaging storytelling and unique premise.