| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1991 |
|
Prelude to Foundation | Bantam Spectra | Novel | |
| December 1991 |
|
Prelude to Foundation | Doubleday | Novel | |
| September 2001 |
|
The Art of Stephen Youll: Paradox | Paper Tiger | Nonfiction | 85 |
| September 2004 |
|
Prelude to Foundation | Bantam Spectra | Novel | |
| September 2004 |
|
Prelude to Foundation | Bantam Spectra | Novel | |
| June 2008 |
|
Prelude to Foundation | Paw Prints | Novel |