| #2 |  The Lightning Thief
| 4.01 | 1,255 reads | |
| #3 |  The Battle of the Labyrinth
| 4.16 | 488 reads | |
| #4 |  The Sea of Monsters
| 3.95 | 824 reads | |
| #5 |  The Titan's Curse
| 4.15 | 766 reads | |
| #6 |  The Last Olympian
| 4.31 | 681 reads | |
| #7 |  The Lost Hero
| 4 | 444 reads | |
| #8 |  The Mark of Athena
| 4.18 | 356 reads | |
| #9 |  The Son of Neptune
| 4.19 | 385 reads | |
| #10 |  The Red Pyramid
| 3.89 | 248 reads | |
| #11 |  The House of Hades
| 4.32 | 321 reads | |
| #12 |  The Blood of Olympus
| 4.06 | 299 reads | |
| #13 |  The Throne of Fire
| 3.95 | 158 reads | |
| #14 |  The Sword of Summer
| 4.01 | 189 reads | |
| #15 |  The Serpent's Shadow
| 4 | 134 reads | |
| #16 |  The Hidden Oracle
| 3.91 | 187 reads | |
| #17 |  The 39 Clues Book 1: The Maze of Bones
| 3.37 | 60 reads | |
| #18 |  The Hammer of Thor
| 4.07 | 132 reads | |
| #19 |  The Dark Prophecy
| 4.01 | 127 reads | |
| #20 |  The Ship of the Dead
| 4.11 | 98 reads | |
| #21 |  The Son of Sobek
| 4.02 | 40 reads | |
| #22 |  The Burning Maze
| 4.05 | 37 reads | |
| #23 |  The Staff of Serapis
| 4.31 | 29 reads | |
| #24 |  The Crown of Ptolemy The Crown of Ptolemy
| 4.43 | 22 reads |
