This is #5 in the Anna Strong, Vampire series. This was actually a hard book to put down so it's a good thing it was a quick read! Anna Strong was a tough-as-nails bounty hunter until the night she was attacked by a vampire - and changed forever.

A newly turned vampire, Anna is forging an uneasy balance between her old human life and her new supernatural one. Still, with her partner out of town, her family abroad, and her mentor estranged, she doesn't have anyone else to turn to - which is why she's keeping a low profile.

But now young vampires are turning up dead, completely drained of their life force. Although Anna worries she might be next, things start getting personal when her shape-shifter friend is found clinging to his life. So when Williams, her former teacher and now leader of a supernatural enforcement squad, asks for her help, Anna can't say no. But soon, she'll wish she had...