The Chalice of the Gods
By Rick RiordanIn The Chalice of the Gods by Rick Riordan, Percy just wants a peaceful life and a normal senior year, especially after saving the world multiple times since he was 12. Percy wants to attend college, and the same one as his girlfriend, Annabeth. As Percy prepares for next year, he is less than thrilled to discover that he must obtain recommendation letters from Mount Olympus through completing quests for the gods. Percy takes on a quest for the god Ganymede, who has lost his chalice that he uses to serve the gods.