
I read
The Coldest Girl in Coldtown by Holly Black.
The world has been overrun with vampires. Vampires were there since the beginning, but one stupid vampire went around biting people without killing them and unknowingly creating more vampires.
But there are two stages to becoming a vampire. If a vampire bites you, you go Cold. When a person is Cold, they have to bite a human to turn into a full-fledged vampire.
Coldtowns have been set up all over the United States. It describes them in the book as prisons ruled by their inmates. A Coldtown is kind of a high security prison-town where vampires can run loose and kill whomever they choose. People can also live there for food supply. Once anyone, human or vampire, enters the Coldtown, they can't get out.
Tana is a regular person. She went to a party one night. When she wakes up in a bathtub the next afternoon, every single person in the party has been killed. Her previous boyfriend Aiden has gone Cold. She finds Aiden and a chained-up vampire in a bedroom. Going against her best judgement, she frees them (but is also bitten, going Cold) and they flee to Coldtown.
This book was really good. It has lots of drama and some romance. It's kind of your stereotypical "girl meets attractive male vampire" thing.