| #1 |  The Ruins of Gorlan
| 3.89 |
| #2 |  The Burning Bridge
| 4.04 |
| #3 |  The Icebound Land
| 3.84 |
| #4 |  The Battle for Skandia
| 3.95 |
| #5 |  Erak's Ransom
| 4.07 |
| #6 |  The Sorcerer of the North
| 4.05 |
| #7 |  The Siege of Macindaw
| 4.07 |
| #8 |  The Kings of Clonmel
| 3.99 |
| #9 |  Halt's Peril
| 4.26 |
| #10 |  The Emperor of Nihon-Ja
| 4.19 |
| #11 |  The Lost Stories
| 4 |
| #12 |  The Lightning Thief
| 4.04 |
| #13 |  The Sea of Monsters
| 3.96 |
| #14 |  The Titan's Curse
| 4.16 |
| #15 |  The Battle of the Labyrinth
| 4.2 |
| #16 |  The Last Olympian
| 4.33 |
| #17 |  The Lost Hero
| 4.01 |
| #18 |  The Son of Neptune
| 4.19 |
| #19 |  The Mark of Athena
| 4.18 |
| #20 |  The House of Hades
| 4.33 |