| #2 |  The Sea of Monsters
| 3.98 | 1,536 reads | |
| #3 |  The Last Olympian
| 4.32 | 1,283 reads | |
| #4 |  The Titan's Curse
| 4.16 | 1,394 reads | |
| #5 |  The Lightning Thief
| 4.05 | 2,311 reads | |
| #6 |  The Battle of the Labyrinth
| 4.2 | 1,311 reads | |
| #7 |  The Lost Hero
| 4.04 | 890 reads |
| #2 | The Sea of Monsters
| 3.98 | 1,536 reads | |
| #3 | The Last Olympian
| 4.32 | 1,283 reads | |
| #4 | The Titan's Curse
| 4.16 | 1,394 reads | |
| #5 | The Lightning Thief
| 4.05 | 2,311 reads | |
| #6 | The Battle of the Labyrinth
| 4.2 | 1,311 reads | |
| #7 | The Lost Hero
| 4.04 | 890 reads |