The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Conquest of Happiness
Russell, Bertrand
Man's Search for Meaning
Viktor Emil Frankl
Flowers for Algernon
Daniel Keyes [Keyes, Daniel] & chenjin5.com
The Chalice of the Gods
Percy Jackson and the Olympians (6)
The Last Olympian
Percy Jackson and the Olympians (5)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)