Twilight is a series of four vampire-themed fantasy romance novels by American author Stephenie Meyer. It charts a period in the life of Isabella "Bella" Swan, a teenage girl who moves to Forks, Washington, and falls in love with a 104-year-old vampire named Edward Cullen. The series is told primarily from Bella's point of view, with the epilogue of Eclipse and Part II of Breaking Dawn being told from the viewpoint of character Jacob Black, a werewolf.

The unpublished Midnight Sun is a retelling of the first book, Twilight, from Edward Cullen's point of view. The novella The Short Second Life of Bree Tanner, which tells the storey of a newborn vampire who appeared in Eclipse, was published on June 5, 2010 as a hardcover book and on June 7 as a free online ebook.

The novels are :

• The Twilight Series, Book 1 (Twilight)
• The Twilight Series, Book 2 (New Moon)
• The Twilight Series, Book 3 (Eclipse)
• The Twilight Series, Book 4 (Breaking Dawn)
• The Twilight Series, Book 5 (Midnight Sun "not yet published")