Serial The Heroes of Olympus - Rick Riordan
01.The Lost Hero
02.The Son of Neptune
03. The Heroes of Olympus 3: The Mark of Athena (Tanda Athena)
04.The House of Hades
05.The Blood of Olympus
06.The Demigod Diaries
07.A Map of Camp Jupiter
08.Explore the Argo II