Answer:
MAGNUS CHASE AND THE GODS OF ASGARD (Series)
PERCY JACKSON AND THE OLYMPIANS (Series)
THE HEROES OF OLYMPUS (Series)
THE KANE CHRONICLES (Series)
THE TRIALS OF APOLLO (Series)
The Son of Sobek
The Staff of Serapis
The Crown of Ptolemy
Demigods and Magicians
The Last Fallen Star
City of the Plague God
Tristan Strong Destroys the World
The Shadow Crosser
Sal & Gabi Fix the Universe
Aru Shah and the Tree of Wishes
Paola Santiago and the River of Tears
Race to the Sun
Tristan Strong Punches a Hole in the Sky
Sal & Gabi Break the Universe
The Fire Keeper
Aru Shah and the Song of Death
Dragon Pearl
The Storm Runner
Rick Riordan Presents Sampler
Aru Shah and the End of Time