Heroes of Olympus, The, Book Five The Blood of Olympus (Heroes of Olympus, The, Book Five): 5 (The Heroes of Olympus, 5)
Heroes of Olympus: The Son of Neptune (Heroes of Olympus, 2)+The Mark of Athena (Heroes of Olympus Book 3) (Heroes of Olympus, 3)
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The Mark of Athena (Heroes of Olympus Book 3) (Heroes of Olympus, 3) & Demigods and Magicians: Three Stories from the World of Percy Jackson and the Kane Chronicles Rick Riordan
The House of Hades (Heroes of Olympus Book 4) (Heroes of Olympus, 4)+The Mark of Athena (Heroes of Olympus Book 3) (Heroes of Olympus, 3)
