The Chalice of the Gods — Rick Riordan

After saving the world multiple times, Percy Jackson is hoping to have a normal senior year. Unfortunately, the gods aren't quite done with him. Percy will have to fulfill three quests in order to get the necessary three letters of recommendation from Mount Olympus for college. The first quest is to help Zeus's cup-bearer retrieve his goblet before it falls into the wrong hands. Can Percy, Grover, and Annabeth find it in time? Readers new to Percy Jackson and fans who have been awaiting this reunion for more than a decade will delight equally in this latest hilarious take on Greek mythology.