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.

"Middle-schooler Louisa wants to spend the summer practicing violin for a place in the youth symphony, but is instead sent to the Tasmanian rainforest camp of her Australian relatives. There she learns that her family secretly protects the last of the supposedly extinct Tasmanian tigers. When an encroaching mining operation threatens the hidden sanctuary, Louisa realizes her music can help."--

When the annual migration of hummingbears, a source of local pride and income, dwindles and no one knows why, Willodeen, armed with a magical birthday gift, speaks up for the animals she loves and vows to uncover this mystery.

Captured by cruel hunters because her scales are believed to have curative powers, Pangolina is saved by a small girl and her mother who buy her and set her free.

"Tuk, a bighorn sheep of the Canadian Rockies, leads his herd beyond the snares of man and the wiles of predators to the freedom of the Blue Mountain"--

The Aldens head to Ladakh, a territory in northern India, to help save the elusive and critically endangered snow leopard.

Having used their magic tree house to travel to India, where they must get a gift to help free the dog Teddy from a spell, Jack and Annie have adventures involving a tiger and other endangered jungle animals.

A mother panda teaches her cub how to survive in their mountain habitat but as the sound of villagers clearing the forest approaches, she knows they must look for a new home.

Because protecting spotted owls has cost Borden's father his job as a logger in the old growth forest of northern California, Borden intends to kill any spotted owl he sees, until he and his father find themselves taking care of a young owlet.

Ahab Goldstein is a seventh-grader living in an United States (specifically Maine) where the environment has turned toxic, and the corrupt Environmental Police Force is in control, limiting access to natural resources like gas and water, issuing fines, and transporting "fragile" species (pretty much all of them) to the Center for Species Rehabilitation in New Arcadia (a dubious refuge at best); so when Ahab and his friends find a real live bullfrog...