Reunited with Grover and Annabeth, Percy must fulfil three quests to obtain letters of recommendation for college from the inhabitants of Mount Olympus in this sixth instalment in Rick Riordan’s series. The original heroes from The Lightning Thief are reunited for their biggest challenge yet: getting Percy to college when the gods are standing in his way. 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 fulfil 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?