It’s a very sad truth, but some species of animals on the verge of disappearing from the planet forever. Some species only have a handful of animals left, and many more are at risk with less than 1,000 left in the world. Readers discover what people are doing to protect these animals through well-researched information and full-color photographs of some of the rarest animals on Earth. Readers learn about zoos with the last remaining animals in a species, and how some governments are helping protect the habitats of endangered species.