This publication stems from a conference held in Auckland in 2010. The conference covered any aspect of invasive species relating to natural insular ecosystems. This book has four sections. The first deals with overviews and attempted eradications. The second introduces new technologies and approaches to eradications, such as dealing with multiple invasive species. The third concentrates on the results and outcomes, especially responses by native species and the final section covers the roles and approaches that involve people, policy and invasion prevention.