| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1994 | 978-1-873943-01-4 | A.C. Highfield | The Tortoise Trust Guide to Tortoises and Turtles |
| 1996 | 978-1-873943-06-9 | A.C. Highfield | Practical Encyclopedia of Keeping and Breeding Tortoises and Freshwater Turtles |
| 2000 | 978-1-873943-23-6 | '' | The Tortoise and Turtle Feeding Manual |
| 1997 | 978-1-873943-51-9 | Richard Wilson · Robyn Wilson | The Care and Breeding of the African Spurred Tortoise Geochelone Sulcata |
| 2000 | 978-1-873943-53-3 | Misty Corton | A Beginner's Guide to Leopard and Other South African Tortoises |
| 2004 | 978-1-873943-88-5 | A.C. Highfield | The Tortoise Trust Guide to Tortoises and Turtles |
| 2001 | 978-1-873943-90-8 | Mike Pingleton | Practical Care and Maintenance of the Redfoot Tortoise Geochelone Carbonaria in Captivity |