The Trials of Apollo Series (5 Books) by Rick Riordan

The Trials of Apollo Series by Rick Riordan
"The Trials of Apollo" series by Rick Riordan is a five-book young adult fantasy series that serves as a direct sequel to the "Heroes of Olympus" series, continuing the adventures within the Percy Jackson universe.

Books in the Series:

1. The Hidden Oracle
2. The Dark Prophecy
3. The Burning Maze
4. The Tyrant's Tomb
5. The Tower of Nero

In essence, "The Trials of Apollo" offers a humorous and action-packed continuation of the Percy Jackson saga, providing further exploration of the mythological world while focusing on the compelling character arc of a fallen god learning what it means to be human.