Lodestar
Shannon Messenger
Keeper of the Lost Cities (5)
The Letters of J. R. R.Tolkien
J. R. R. Tolkien & Christopher Tolkien & Humphrey Carpenter
The Throne of Fire
Rick Riordan
The Kane Chronicles (2)
Unlocked
Keeper of the Lost Cities (8.5)
The Staff of Serapis
Demigods and Magicians (1)
The Son of Sobek
The Crown of Ptolemy
Demigods and Magicians (3)