* The Last Guardian
* The Kingdom Beyond the Waves
* The Priory of the Orange Tree
Short stories:
* "The Lost City of Faar"
* "The Shadow of the Hierophant"
* "The Temple of the Sun"
* "The Well of Shadows"
* "The Whispering Woods"
Non-fiction:
* The Philosophy of Tolkien: The Christian Worldview in Middle-earth
* The Science of Dune: An Exploration of Herbert's Science Fiction Masterpiece