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The Mark of Athena (Heroes of Olympus, #3)
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4.47 avg rating — 694,675 ratings
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| 2 |
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The Red Pyramid (The Kane Chronicles, #1)
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4.10 avg rating — 434,343 ratings
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| 3 |
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Inferno (Robert Langdon, #4)
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3.91 avg rating — 610,280 ratings
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The House of Hades (Heroes of Olympus, #4)
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4.57 avg rating — 502,315 ratings
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The Throne of Fire (The Kane Chronicles, #2)
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4.18 avg rating — 233,733 ratings
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The Blood of Olympus (The Heroes of Olympus, #5)
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4.43 avg rating — 408,793 ratings
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