| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-1-888089-08-0 | Richard Cary Paull | All the Small and Medium-Sized tortoises (Tortoises of the World, Volume 2) |
| 978-1-888089-09-7 | Tortoises of the World Vol. 3: The Sulcata | ||
| 978-1-888089-25-7 | The Small and Medium-Sized Tortoises | ||