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 security consultant receives a key to a storage unit from a dead woman, a reputed ecoterrorist. Inside is a taxidermied animal. Seeking for why the woman contacted her, time is running out, for her and the world. Security consultant "Jane Smith" receives an envelope with a key to a storage unit that holds a taxidermied hummingbird and clues leading her to a taxidermied salamander. Silvina, the dead woman who left the note, was a reputed ecoterrorist...

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.

The story of the rise of a Yellowstone wolf, and what her life and death and death tell us about the struggle for the American West. -- "The enthralling story of the rise and reign of O-Six, the celebrated Yellowstone wolf, and the people who loved or feared her. Before men ruled the earth, there were wolves. Once abundant in North America, these majestic creatures were hunted to near extinction in the lower 48 states by the 1920s. But in recent...

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...

While on her first hiking and camping trip, thirteen-year-old Sammy tries to solve a mystery involving endangered condors while avoiding scorpions, ticks, and embarrassment.

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.

Collects three adventures in saving freshwater giants, including "Monster of the Mekong," in which Zeb Hogan shares his search for the giant catfish found in the Mekong River.

Traveling to Palanan Island in Southeast Asia, archaeologist Riley Smith is aware of the threat from treasure hunters who have no qualms about killing to get what they want. When she successfully evades them and finds the perfectly preserved body of a female warrior, it is just what she needs to entice Eve Duncan to join her. As they seek answers to the questions the body has raised, their discovery will change history-- if they can escape the island...

Award-winning and best-selling author Sy Montgomery turns her talents to the story of California condors and the scientists who have fought against their extinction.