Sir Christopher Lever is an established historian and author of a series of well-respected monographs and more popular natural history books. He specialises in vertebrates that have been introduced to geographical areas other than their native ones. Previous books include 'Naturalized Mammals of the World' and 'Naturalized Birds of the World', published by Longman, and 'Naturalized Fishes of the World', published by Academic Press. MA (Cantab), Fellow of the Linnean Society of London, Member of the IUCN (World Conservation Union) Species Survival Commission, Member of the Council of Amba...