the blood of olympus

The demigods of Camp Half-Blood face a dire situation as Gaea's giants rise and the Feast of Spes approaches. They have to travel to Athens to stop Gaea's plan to wake and the earth mother's war with the gods. The book is the fifth and final installment of the Heroes of Olympus series by Rick Riordan, the author of the Percy Jackson and the Olympians series. the sports gene