The Silmarillion
J.R.R. Tolkien
Camp Jupiter Classified
Rick Riordan
The Trials of Apollo (4.5)
The Burning Maze
The Trials of Apollo (3)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Red Pyramid
The Kane Chronicles (1)
The Throne of Fire
The Kane Chronicles (2)
The Serpent's Shadow
The Kane Chronicles (3)