The Letters of J. R. R.Tolkien
J. R. R. Tolkien & Christopher Tolkien & Humphrey Carpenter
The Legend of Sigurd and Gudrún
J. R. R. Tolkien
The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
The Sword of Summer
Magnus Chase and the Gods of Asgard (1)
The Fire Within
Chris D'Lacey