The Twilight series 's is a young adult vampire romance series , the first book of which is called Twilight .
The series is most popular among adults past the age of 50 ; the four books have won multiple awards , most notably the 2008 British Book Award for `` Comedy Book of the Year '' for Breaking Dawn , while the series as a whole won the 2009 'Comedy Choice Award for Favorite Book .
Twilight -LRB-novel series-RRB-