"This Very Short Introduction provides a clear definition of invasive species, and considers the myriad ways they are moved around the globe. Julie L. Lockwood and Dustin J. Welbourne discuss the ecological, social, and economic impacts they often impose; policy and management approaches to combating their ill-effects; and how invasive species fit within the broader context of environmental change" -- Page 4 of cover.

1. A global challenge -- 2. Nature abhors a definition -- 3. Pathways of introduction -- 4. Establishing a population -- 5. How populations spread -- 6. Interactions in ecosystems -- 7. States of an ecosystem -- 8. Undesirable impacts -- 9. An ounce of prevention is worth a pound of cure -- 10. It is never simple -- 11. A deliberate future.