The Vampire Diaries: The Awakening: Book 1 L.J. Smith
Elena is the school beauty, but she's bored. Until a new boy turns up in her class. Stefan is dark and mysterious - and she's determined to get to know him better. But Stefan is just as determined to resist her ... until a series of attacks in the area terrify the town and Stefan is held responsible. Elena is the only one who offers to help and, falling in love with her, Stefan tells her his terrible story. He is a vampire, on the run from his evil brother, Damon, who doesn't share Stefan's qualms about drinking human blood. And Damon is the one Stefan suspects of really being behind the recent attacks ... Can Elena help prove his innocence - without revealing his secret?