The Blood of Olympus by Rick Riordan (Book 5 of the Heroes of Olympus series)

The Greek and Roman demigods of the Argo II are racing toward Athens to stop Gaea from waking, while friends at Camp Half-Blood prepare for an attack that could destroy both camps. With giants rising and a prophecy demanding sacrifice, the seven heroes must decide how much they are willing to risk to save the world.

• Publisher: Puffin Books
• Language: English
• Paperback: 528 pages
• ISBN-13: 9780141339238