| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1989 |
|
G. K. Chesterton and C. S. Lewis: The Riddle of Joy | Wm. B. Eerdmans Publishing Co. | Nonfiction | x |
| August 1989 |
|
G. K. Chesterton and C. S. Lewis: The Riddle of Joy | Collins | Nonfiction | x |