If you haven't read any of these books yet, it isn't too late. They are amazing! Here are the first three books in the series:
Twilight (The Twilight Saga, Book 1)
New Moon (The Twilight Saga, Book 2)
Eclipse (The Twilight Saga, Book 3)
These books are about a girl named Bella who moves up to rainy Forks, Washington, to live with her father. There she meets a mysterious boy named Edward. He turns out to be a Vampire, but he and his family only feed on animals. They fall in love, but the scent of her blood is very tempting to him, which complicates their romance. These books are so fantastic I could just rave and rave about them!
P.S. Tonight is the New Moon AND, a special Eclipse (article here).