The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
The Hacker's Diet
John Walker
All Our Broken Idols
Paul M.M. Cooper
Genetic Algorithms in Elixir
Sean Moriarity
The Chalice of the Gods
Percy Jackson and the Olympians (6)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Last Olympian
Percy Jackson and the Olympians (5)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)