Vampire Mountain is the fourth book in the bestselling Cirque Du Freak series. Darren Shan and Mr. Crepsley embark on a dangerous trek to the very heart of the vampire world. Will a meeting with the vampire princes restore Darren's human side, or turn him further toward the darkness? Only one thing is certain-Darren's Initiation into the vampire clan is more deadly than he ever could have imagined.