In addition to the Hannibal tetralogy, there were also some famous novel series, including: The Twilight series was written by Mayer, an American author, and it was a love story between a vampire and a human. The Harry Potter series was written by K Rowling in the United States, and it tells the story of a student's adventure in a magical world. The Lord of the Rings series was written by R. R. Tolkien in the United Kingdom. It was a fantasy adventure story about Hobbits, elves, dwarves and other races.