The document summarizes the four books in the Twilight series by Stephenie Meyer that follow Bella Swan and her relationship with Edward Cullen. It describes how in the first book Twilight, Bella moves to Forks and falls in love with Edward, a vampire. In the second book New Moon, Edward leaves Bella to protect her, causing her great sadness. The third book Eclipse continues their relationship and the threat of danger from other vampires. Finally, in Breaking Dawn Bella and Edward get married but she becomes ill, and their story continues. The Twilight series has sold over 50 million copies worldwide and been translated into many languages.