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![Rick Riordan Trials of Apollo Collection 4 Books Set (Dark Prophecy, Hidden Oracle, Burning Maze, The Tyrants Tomb [Hardcover])](https://m.media-amazon.com/images/I/51VqyZ4aQkL.jpg)
![Rick Riordan Trials of Apollo Collection 4 Books Set (Dark Prophecy, Hidden Oracle, Burning Maze, The Tyrants Tomb [Hardcover])](https://m.media-amazon.com/images/I/5125ectuq4L.jpg)
![Rick Riordan Trials of Apollo Collection 4 Books Set (Dark Prophecy, Hidden Oracle, Burning Maze, The Tyrants Tomb [Hardcover])](https://m.media-amazon.com/images/I/51ShfKYOnDL.jpg)
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