The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
Empire of the Damned
Jay Kristoff
Empire of the Vampire (2)
SuperCollider for the Creative Musician
Eli Fieldsteel;
Flowers for Algernon
Daniel Keyes [Keyes, Daniel] & chenjin5.com
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Percy Jackson's Companion Books (3)