The Last Olympian (Percy Jackson and the Olympians, Book 5)

A New York Times Bestseller -- In this momentous final book in the bestselling series, the long-awaited prophecy surrounding Percy Jackson's sixteenth birthday unfolds. All year the half-bloods have been preparing for battle against the Titans, knowing the odds for victory are grim. Kronos's army is stronger than ever. While the Olympians struggle to contain the rampaging monster Typhon, Kronos begins his advance on New York City where Mount Olympus stands unguarded. 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.