Complete your middle grade action-adventure collection with these titles:
- Percy Jackson and the Olympians: The Lightning Thief by Rick Riordan
- Artemis Fowl by Eoin Colfer
- Rick Riordan Presents: Aru Shah and the End of Time by Roshani Chokshi
- Rick Riordan Presents: City of the Plague God by Sarwat Chadda