| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1991 |
|
Foundation | Bantam Spectra | Novel | |
| November 1991 | Foundation | Bantam Spectra | Novel | ||
| 1996 |
|
Foundation | Bantam Spectra | Novel | |
| June 2004 |
|
Foundation | Bantam Spectra | Novel | |
| June 2004 |
|
Foundation | Bantam Spectra | Novel | |
| June 2004 | Foundation | Bantam Spectra | Novel | ||
| April 2008 |
|
Foundation | Bantam Spectra | Novel | |
| June 2008 |
|
Foundation | Paw Prints | Novel | |
| April 2010 |
|
Foundation | Random House Audio | Novel |