| #2 |  The Sea of Monsters
| 3.95 | 824 reads | |
| #3 |  The Lightning Thief
| 4.01 | 1,255 reads | |
| #4 |  The Titan's Curse
| 4.15 | 766 reads | |
| #5 |  The Battle of the Labyrinth
| 4.16 | 131 reads | |
| #6 |  The Last Olympian
| 4.31 | 681 reads | |
| #7 |  The Lost Hero
| 4 | 444 reads | |
| #8 |  The Son of Neptune
| 4.19 | 385 reads |
