Author of Reptiles of Malawi.
Photographs in the following publications:
Snakes of Malawi: Rupert Wilkey
Chameleons of Africa, 2nd edition: Colin Tilbury
Field Guide to East African Reptiles, 2nd edition: Stephen Spawls, Kim Howel, Harold Hinkel and Michele Menegon.
The Dangerous Snakes of Africa: Stephen Spawls and Bill Btanch.
Snakes and other Reptiles of Zambia and Malawi: Darren Pietersen, Luke Verburgt, John Davies.
Field Guide to the Frogs and other Amphibians of Africa: Alan Channing, Mark-Oliver Rodel.