The half-bloods have been preparing for war with the Titans for a year even though they know the odds are against them. Kronos's army continues to grow stronger and he becomes more powerful. Meanwhile, as the Olympians try to contain the wild monster Typhon, Kronos moves toward New York City, where Mount Olympus is left practically unattended. In this final book of the amazingly popular series, will Percy Jackson fulfill the prophecy about his 16th birthday or fight against his destiny?
