The Blood of Olympus is the fifth and last book of the Heroes of Olympus mythological fantasy series starring Percy Jackson by Rick Riordan.
 
Summary of the Book
The crew members of the Argo II have done their best. They have succeeded in their quests. But nothing has put them any closer towards defeating Gaea, the mother of the Earth. Her giants, the Titans, have risen and threaten the very peace of the earth. They’re stronger than ever and the Gods with their multiple personality disorders have no chance of defeating them. Only a group of handful Demi Gods stand in the giants’ way and at Athens, the battle will draw to a close. Can they defeat the giants and prevent Gaea from awakening?
 
About Rick Riordan
Rick Riordan is an American writer. He is best known for his series Tres Navarre and Percy Jackson and the Olympians.
Riordan graduated from the University of Texas.