Note: There are other series with the same name: Underworlds (magazine)
- Series: Underworlds Series Record # 32046
- Series Tags: juvenile fantasy (4)
- Underworlds
- 1 The Battle Begins (2011) by Tony Abbott
- 2 When Monsters Escape (2012) by Tony Abbott
- 3 Revenge of the Scorpion King (2012) by Tony Abbott
- 4 The Ice Dragon (2012) by Tony Abbott