Batman: Inferno is a novel set in the universe of DC Comics superhero Batman and was penned by Alex Irvine, a writer and assistant professor of English at the University of Maine. The novel is a sequel to Batman: Dead White and is the second installment in a trilogy of Batman novels published by Del Rey Books. Batman: Inferno features Batman's archenemy, the Joker, and the introduction of an original villain called Enfer.