The Philosophy of Tolkien: The Worldview Behind The Lord of the Rings
The Magical World of the Inklings: J. R. R. Tolkien, C. S. Lewis, Charles Williams, Owen Barfield
J.R.R. Tolkien: Myth, Morality, and Religion
The Lord of the Rings: 50th Anniversary, One Vol. Edition
The Histories of Middle Earth, Volumes 1-5
The Hobbit and the Lord of the Rings (the Hobbit / the Fellowship of the Ring / the Two Towers / the
Unfinished Tales: The Lost Lore of Middle-earth
The Children of Húrin (Pre-Lord of the Rings)