Audiobook 1
The Trials of Apollo, Book One: The Hidden Oracle (Unabridged)
Rick Riordan
Audiobook 2
From Percy Jackson: Camp Half-Blood Confidential: Your Real Guide to the Demigod Training Camp (Unabridged)
Rick Riordan
Audiobook 2
The Trials of Apollo, Book Two: The Dark Prophecy (Unabridged)
Rick Riordan
Audiobook 3
The Trials of Apollo, Book Three: The Burning Maze (Unabridged)
Rick Riordan
Audiobook 4
The Trials of Apollo Camp Jupiter Classified (An Official Rick Riordan Companion Book): A Probatio's Journal (Unabridged)
Rick Riordan
Audiobook 4
The Trials of Apollo, Book Four: The Tyrant's Tomb (Unabridged)
Rick Riordan
Audiobook 5
The Tower of Nero (Trials of Apollo, Book Five) (Unabridged)
Rick Riordan