Stephenie Meyer's "Twilight" is a young adult fantasy novel published in 2005. It tells the story of a teenage girl named Bella Swan who moves to the small town of Forks, Washington, where she falls in love with a mysterious boy named Edward Cullen, who is revealed to be a vampire. The novel explores themes of love, danger, and the supernatural. The book is the first in a series that includes three sequels: New Moon, Eclipse, and Breaking Dawn. "Twilight" gained immense popularity, leading to a successful film adaptation and a dedicated fan base. It has significantly influenced the vampire genre in literature and pop culture.