 The 39 Clues: The dead of night
| 4.5 | 5 | |
 The Lost Hero
| 4.01 | 5 | |
 The 39 Clues Book 1: The Maze of Bones
| 3.43 | 4 | |
 The Siege of Macindaw
| 4.15 | 4 | |
 The Red Pyramid
| 3.9 | 4 | |
 A King's Ransom (The 39 Clues: Cahills vs. Vespers, #2)
| 3.75 | 4 | |
 The Burning Bridge
| 4.05 | 5 | |
 The Battle for Skandia
| 4.02 | 4 | |
 The Black Circle
| 3.68 | 4 | |
 The Dragon Heir
| 4 | 4 | |
 The Lightning Thief
| 4.04 | 5 | |
 The Battle of the Labyrinth
| 4.21 | 5 | |
 The Wizard Heir
| 3.86 | 4 | |
 Beyond the Grave
| 3.61 | 5 | |
 Vespers Rising
| 3.75 | 4 | |
 Shatterproof
| 4.5 | 5 | |
 Storm Warning
| 4 | 4 | |
 The Emperor of Nihon-Ja
| 4.3 | 4 | |
 The Demon King
| 4.03 | 3 | |
 The Viper's Nest
| 3.69 | 4 |
