“Gotcha!” shrieked Euryale. Percy turned as an arrow thudded into her forehead. Euryale tumbled into the fast lane. A truck slammed into her and carried her backward a hundred yards, but she just climbed over the cab, pulled the arrow out of her head, and launched back into the air.
Percy reached the door. “Thanks,” he told the guards. “Good shot.”

The Son of Neptune, Chapter II