The Son of Neptune by Rick Riordan (Book 2 of the Heroes of Olympus series)

Percy Jackson wakes with almost no memory and finds himself at Camp Jupiter, a Roman camp full of demigods who do not know whether to trust him. Joined by Hazel and Frank, he must travel north on a dangerous quest that could decide the future of both Roman and Greek heroes.

• Publisher: Puffin Books
• Language: English
• Paperback: 544 pages
• ISBN-13: 9780141335735