| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1994 |
|
Forward the Foundation | Bantam Spectra | Novel | |
| March 1996 |
|
Forward the Foundation | Bantam Spectra | Novel | |
| September 2001 |
|
The Art of Stephen Youll: Paradox | Paper Tiger | Nonfiction | 79 |
| September 2004 |
|
Forward the Foundation | Bantam Spectra | Novel | |
| September 2004 |
|
Forward the Foundation | Bantam Spectra | Novel | |
| June 2008 |
|
Forward the Foundation | Paw Prints | Novel |