They jogged along for the best part of a day, the Titans at an easy lope that seemed to eat up the miles, the two girls at a more awkward trot. Athena could feel exhaustion coming on but refused to ease the pace. She would be mortified to be the one who slowed them down or, worse still, be left behind. She glanced sideways at Artemis, who was running along gamely, apparently without effort, but her lips were pressed tightly together and her eyes had a strained expression. ...