The Twilight series is a popular collection of four novels written by Stephenie Meyer. The story follows the life of a teenage girl named Bella Swan, who moves to the small town of Forks, Washington, and falls in love with a mysterious vampire named Edward Cullen. The series explores themes of love, sacrifice, and the supernatural. The books include Twilight, New Moon, Eclipse, and Breaking Dawn. The series gained immense popularity and was adapted into a successful film franchise, further expanding its fan base. It has influenced the young adult genre and sparked discussions about vampire mythology in modern literature.