Step onto an island--land surrounded by water, a habitat for land-living organisms as well as creatures that visit from their ocean homes. Peel back the corners of the island to discover the incredible organisms that live in this ecosystem, from lizards and birds to possums and bats. Discover how each organism functions within its island home, and the fight for survival that takes place when these delicate ecosystems are threatened. Learn, too, where in the world islands are found and what you can do to help protect these beautiful and precious places.