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 Percys 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.
