In their own words, they reveal how the 'Dungeon Crawler Carl' series became a fantasy phenomenonThe Dungeon Crawler Carl series has become one of publishing’s unlikeliest success stories. The premise of the Dungeon Crawler Carl series is as wildly original as it sounds. I sat down and I started writing what would end up becoming Dungeon Crawler Carl, and I wasn’t anticipating even publishing it. Dungeon Crawler Carl 5 Ace BooksWho narrates ‘Dungeon Crawler Carl’? Matt Dinniman: “There’ll be about 10 books in the Dungeon Crawler Carl series.