Henry Nicholls details the efforts of conservationists to preserve the Galapagos ' unique biodiversity and illustrates how their experiences and discoveries are echoed the world over. He explores the controversies raging over which mates are most appropriate for George and the risks of releasing crossbreed offspring into the wild. His story draws together the islands' geology, evolution, history of human exploitation and imperrilled future. It features strong characters, from Charles Darwin, to cloning pioneer Ian Wilmut, to the beautiful Swiss graduate who spent four months trying to persuade George to have sex. Some 100,000 tourists visit the Galapagos Islands each year; all drop in on George.