Cursed by an old carnival game, sixth-grader Rex Dexter uses his new ability to communicate with dead animals to investigate the mysterious deaths of endangered zoo animals.

Sent outside by their mother, two rambunctious children explore their own garden, deserts, mountains, oceans, and jungles and encounter many species of animals that are endangered or nearly extinct. Includes an index of the animals and each one's level of vulnerability to extinction.

"Cruz and his fellow recruits tackle challenging missions to dispense life-saving medication to gorillas, thwart pangolin poachers, and capture images of the last known cheetahs in Namibia--all the while discovering that protecting the world's threatened species is a dangerous business. Things turn deadly for Lani, Sailor, Emmett, and Cruz as they search for the fourth piece of Cruz's mom's cipher. Cruz knows it's not going to be easy, but will an...

The Aldens investigate when exotic and endangered animals begin to disappear from the zoo where their new friend Lindsey works

When the Aldens take up the case to investigate if a catastrophic oil spill that affected hundreds of species could have been prevented, they are led on an adventure to help other endangered animals around the world.

To save their homes from being destroyed by developers, a fanciful group of endangered animals constructs a fearsome dinosaur

Afraid to ask Crocodile why he is crying, a black rhinocerous and a tik tik bird ask a series of endangered animals if they know. Includes photographs and factual information about each of the creatures featured

For once, operations at the enormous zoo/theme park appear to be running smoothly (except for the occasional herring-related mishap in the penguin exhibit) and Teddy Fitzroy is finally able to give detective work a rest. But then a local lion is accused of killing a famous dog--and the dog's owner, an inflammatory radio host, goes on a crusade to have the cat declared a nuisance so it can be hunted. However, there's evidence that the lion might have...

Two of the last California condors living in the wild hatch an egg.

When twins Otis and Cody Carson, their father Hayden, cousin Rae Lee, and family friend Maxim go to the Amazon jungle of Brazil, they uncover a smuggling ring trafficking in endangered animals