Back from the Brink answers these questions and more as it delves into the threats to seven species, and the scientific and political efforts to coax them back from the brink of extinction. This rich, informational look at the problem of extinction has a hopeful tone: all of these animals' numbers are now on the rise.

The path to preservation -- Whooping cranes in the wetlands -- Wolves in the wild -- Bald eagles fly high -- Giant Galápagos tortoises walk the earth -- California condors soar again -- American alligators swim in the south -- American bison : give me a home where the buffalo roam -- Call to action!.