The Heroes of Olympus is Rick Riordan's sequel series to the Percy Jackson and the Olympians series. It focuses on Greek-Roman mythology instead of only Greek mythology like its predecessor series.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/73GxFu2IG5a7KdhxXloefQ== | 5.88129e-14 |
| dbr:The_Heroes_of_Olympus | 5.88129e-14 |
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