Summer Knight (The Dresden Files, #4)

by Jim Butcher

The woman ran an opalescent fingernail through the blood on my desk. She lifted it to her lips and idly touched it to her tongue. She smiled, slower, more sensual, and every bit as alien. “I have many names,” she murmured. “But you may call me Mab. Queen of Air and Darkness. Monarch of the Winter Court of the Sidhe.”

Morgan looked at me with flat eyes. “You think you’re funny.” “Oh, I know I’m funny. Unappreciated, but funny.”