| #2 |  The Lightning Thief
| 1,552 reads |
| #3 |  The Sea of Monsters
| 1,037 reads |
| #4 |  The Battle of the Labyrinth
| 614 reads |
| #5 |  The Titan's Curse
| 944 reads |
| #6 |  The Last Olympian
| 857 reads |
| #7 |  The Lost Hero
| 591 reads |
| #8 |  The Mark of Athena
| 473 reads |
| #9 |  The Son of Neptune
| 493 reads |
| #10 |  The House of Hades
| 414 reads |
| #11 |  The Red Pyramid
| 319 reads |
| #12 |  The Blood Of Olympus
| 376 reads |
| #13 |  The Throne of Fire
| 226 reads |
| #14 |  The Sword of Summer
| 228 reads |
| #15 |  The Serpent's Shadow
| 192 reads |
| #16 |  The Hammer of Thor
| 157 reads |
