Book 39 : The Last Olympian

The Last Olympian, by Rick Riordan. Final book in the Percy Jackson Series. Can't wait to read his other books now:) From BN:

All year the half-bloods have been preparing for battle against the Titans, knowing the odds are against them. Kronos is stronger than ever, and with every god and half-blood he recruits, his power only grows.In this momentous final book in the New York Times best-selling series, the prophecy surrounding Percy’s sixteenth birthday unfolds. And as the battle for Western civilization rages on the streets of Manhattan, Percy faces a terrifying suspicion that he may be fighting against his own fate.