The Staff of Serapis
Rick Riordan
Demigods and Magicians (1)
The Son of Sobek
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Letters of J. R. R.Tolkien
J. R. R. Tolkien & Christopher Tolkien & Humphrey Carpenter