Angel Mage by Garth Nix

It’s hard to be a 13-year-old girl. But it’s even harder when your father’s a drunk. It adds an extra layer to everything — your family’s reactions to things, the people you’re willing to bring home, the way you see yourself and the world. For Samantha, it’s something that’s been going on for so long that she’s almost used to it. Only, you never get used to it. Especially when it starts to get worse…