All year the demigods 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. Whether you are new to Percy or a longtime fan, this gorgeous paperback edition is a must-have for your library.