| #1 |  Mother Death Mother Death
| 4.5 |
| #2 |  Island of legends
| 4.33 |
| #3 |  The Titan's Curse
| 4.15 |
| #4 |  Perron Manor
| 4 |
| #5 |  The Titan's Curse: The Graphic Novel
| 4.1 |
| #6 |  The Lost Hero: The Graphic Novel
| 4.67 |
| #7 |  Purgatory
| 4.33 |
| #8 |  Gastro Obscura: A Food Adventurer's Guide
| 5 |
| #9 |  All I Need to Know I Learned from the Golden Girls All I Need to Know I Learned from the Golden Girls: Bigger, Better, Blanchier Second Edition
| 5 |
| #10 |  Island of Dragons
| 4.4 |
| #11 |  The Serpent's Shadow
| 4 |
| #12 |  Dragon Captives
| 3.5 |
| #13 |  Dragon Bones
| 4.33 |
| #14 |  The Hidden Oracle
| 3.91 |
| #15 |  Dragon Ghosts
| 4 |
| #16 |  Out of Time
| 3.5 |
| #17 |  The Dark Prophecy
| 4.01 |
| #18 |  Dragon Curse
| 4 |