This is a set of 4 hardcover books by Stephanie Meyer. In this group are the following: Twilight: A 2005 young adult vampire-romance novel, 544 pages New Moon: A 2006 romantic fantasy novel, 563 pages Eclipse: A 2007 book that continues story of Bella Swan, 629 pages Breaking Dawn: The fourth and final novel in The Twilight Saga, 756 pages