“Oh my gods, how did the Princess Andromeda travel so far overnight? That’s like—” “Five hundred and thirty nautical miles,” I said. She stared at me. “How did you know that?” “I—I’m not sure.” Annabeth thought for a moment. “Percy, what’s our position?” “36 degrees, 44 minutes north, 76 degrees, 2 minutes west,” I said immediately. Then I shook my head. “Whoa. How did I know that?” “Because of your dad,” Annabeth guessed. “When you’re at sea, you have perfect bearings. That is so cool.”
