Paranormal romance is a type of fiction in which there is a relationship that involves liasons with ghosts, vampires, witches, or werewolves. Paranormal romance may also be as simple as having the fiction take place in a paranormal setting, such as a haunted house. One of the most famouse pieces of literature which features Paranormal Romance is the book, "Wuthering Heights", which has ghosts, haunted houses, and hints at reincarnation. Today, the popular "Twilight" series features Paranormal Romance, as it includes vampires and werewolves.