Percy Jackson and the Olympians #5: The last olympian
- New York, Hyperion Books: 2008.
- Percy Jackson and the Olympians bk. 5 .
All year the Half-Bloods have been preparing for battle against the Titans, knowing the odds of a victory are grim. Kronos's army is stronger than ever and with every god and half-blood he recruits the evil Titan's power only grows.