Chelonian Library Volume One: Leopard and African Spurred Tortoise is a reference work on the two largest tortoise species of the African continent, with observations from both nature and captivity. Includes the threats facing the two species of tortoise in their native countries today and the respective conservation efforts.
Be sure to check out the rest of this series too -
Chelonian Library Volume Two: Hermann's Tortoise
Chelonian Library Volume Three: South American Tortoises