Zoos take care of animals and welcome visitors of all ages, but that's not all zoos do. Author Patricia Newman and photographer Annie Crawley bring readers behind the scenes at three zoos to meet scientists working to save endangered animals.
Meredith Bastian's experiences studying wild orangutans help educate both zoo visitors and the zoo workers who care for captive orangutans. Jeff Baughman breeds black-footed ferrets and reintroduces...