Chris Mattison

• Snake
• Reptiles & amphibians
• Snakes of the world
• The new encyclopedia of snakes
• 300 frogs
• Animal fact files
• Collins Gem Snakes
• Encyclopedia of North American reptiles and amphibians
• Encyclopedia of Snakes
• Enzyklopädie der Schlangen
• Frogs & toads of the world
• Guía de reptiles