The Twilight series's is a young adult vampire romance series, the first book of which is called Twilight.
Twilight (novel series) . Since the release of the first novel , Twilight , in 2005 , the books have gained immense popularity and commercial success around the world . The series is most popular among young adults ; the four books have won multiple awards , most notably the 2008 British Book Award for `` Children 's Book of the Year '' for Breaking Dawn , while the series as a whole won the 2009 Kids ' Choice Award for Favorite Book .