Stewart McPherson graduated in geography at the University of Durham in England On graduation in 2006 he founded Redfern Natural History Productions in Poole, Dorset to conduct natural history research, publishing, filming and eco-tours. He has written and published over 20 titles and has appeared in several programs screened on BBC-TV. Robert Irving is a marine biologist and former teacher. He has written books on the marine life of the United Kingdom adnd is currently working on a field guide to the wildlife of the Pitcairn Islands.