| title | ISBN-13 | year of publication |
|---|---|---|
| A Tolkien Compass | 978-0-87548-303-0 | 2003 |
| A Tolkien Compass: Including J. R. R. Tolkien's Guide to the Names in The Lord of the Rings | 978-0-87548-316-0 | 1975 |
| England and Always: Tolkien's World of the Rings | 978-0-8028-1898-0 | 1982 |
| Scientifiction Novels of C.S. Lewis: Space and Time in the Ransom Stories | 978-0-7864-1824-4 | 2004 |
| The Four Corners of the Tapestry: A Casebook of Palmer Hopkins | 978-1-58445-084-9 | 1999 |
| The World of the Rings: Language, Religion, and Adventure in Tolkien | 978-0-8126-9569-4 | 2004 |
Eerdmans · McFarland & Company · Open Court · Pulpless.Com, Inc.