Sea of Monsters, The (Percy Jackson and the Olympians, Book 2)

The Lost Hero (The Heroes of Olympus, Book 1)

Rick Riordan

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Cover of The Lost Hero (The Heroes of Olympus, Book 1)

Percy Jackson and the Olympians, Book Three: The Titan's Curse

Rick Riordan

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Cover of Percy Jackson and the Olympians, Book Three: The Titan's Curse

Percy Jackson and the Olympians, Book Four: The Battle of the Labyrinth

Rick Riordan

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Cover of Percy Jackson and the Olympians, Book Four: The Battle of the Labyrinth