- Red-Footed and Yellow-Footed Tortoise
- Leopard- and African Spurred Tortoise
- Hermann's Tortoise
- Turtles of the World 1: Africa, Europe & W Asia
- Turtles of the World 2: North America
- Turtles of the World 3: Central & South America
- Turtles of the World 4: East & South Asia
- Turtles of the World 5: Australia & Oceania
- Tortoises, Terrapins and Turtles of Africa
- The Turtles and Tortoises of Madagascar
- The Origin of Higher Clades