Twilight is a series of fantasy stories about vampires and romance written by Stephenie Meyer. The saga tells the story of Isabella Swan (Bella), a teenager who moves from Phoenix to Forks, Washington, experiencing a whole new world for you to fall in love with Edward Cullen, a vampire. In Portugal the series is called Light and Darkness.

The four books in the series are counted from the point of view of Bella, except the epilogue of Eclipse and a third of Dawn, which are narrated by Jacob Black. The series has sold 100 million copies worldwide and been translated into over 37 languages​​. Remained in the entire list of 235 weeks in the bestsellers on the New York Times and earned an equally successful film franchise, produced by Summit Entertainment.