From: Graceling

"It gave her some pleasure to knock him on the head with the hilt of her knife. She grabbed his hair, dragged him onto his back, and dropped a pill onto his tongue. They would all say, when they woke to headaches and their shame, that the culprit had been a Graceling boy, Graced with fighting, acting alone. They would assume she was a boy, because in her plain trousers and hood she looked like one, and because when people were attacked it never occurred to anyone that it might have been a girl."

Kristin Cashore