Twilight by Stephenie Meyer

A girl named Bella Swan moves to a town in Washington state named Forks. While in Forks she meets a boy named Edward Cullen. They become very close.

She later finds out that Edward is a vampire, yet she doesn’t care. She still loves him. A group of vampires finds out that Edward is dating a human and that the Cullen’s approve
of it. The vampires then try to kill Bella, so the Cullens have to figure out a way to keep her safe and kill the vampires.

This is the first book in the Twilight series.