One Fell Sweep by Ilona Andrews

Dina DeMille may run the nicest Bed and Breakfast in Red Deer, Texas, but she caters to a very particular kind of guest… the kind that no one on Earth is supposed to know about. Guests like a former intergalactic tyrant with an impressive bounty on her head, the Lord Marshal of a powerful vampire clan, and a displaced-and-superhot werewolf; so don’t stand too close, or you may be collateral damage.

But what passes for Dina’s normal life is about to be thrown into chaos. First, she must rescue her long-distant older sister, Maud, who’s been exiled with her family to a planet that functions as the most lawless penal colony since Botany Bay. Then she agrees to help a guest whose last chance at saving his civilization could bring death and disaster to all Dina holds dear… Read more.