Introduction: The Last Olympian (Percy Jackson and the Olympians #5) All year the half-bloods have been preparing for battle against the Titans, knowing the odds of a victory are grim. Kronos鈥檚 army is stronger than ever, and with every god and half-blood he recruits, the evil Titan鈥檚 power only grows. While the Olympians struggle to contain the rampaging monster Typhon, Kronos begins his advance on New York City, where Mount Olympus stands virtually unguarded. Now it鈥檚 up to Percy Jackson and an army of young demigods to stop the Lord of Time. In this momentous final book in the New York Times best-selling series, the long-awaited prophecy surrounding Percy鈥檚 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....