Lexicon Urthus: A Dictionary for the Urth Cycle

Frodo's Journey: Discover The Hidden Meaning Of The Lord Of The Rings

The Expanse and Philosophy: So Far Out Into the Darkness (The Blackwell Philosophy and Pop Culture Series)

Terry Pratchett: A Life With Footnotes: The Official Biography

The Road to Middle-Earth: How J.R.R. Tolkien Created a New Mythology

Reason for the Darkness of the Night

Vintage Visions: Essays on Early Science Fiction (Early Classics Of Science Fiction)

'Brave New World': Contexts and Legacies

Conversations with Carl Sagan (Literary Conversations)

Companion to Narnia, Revised Edition: A Complete Guide to the Magical World of C.S. Lewis's The Chronicles of Narnia