Someone is trying to hunt FunJungle's Asian greater one-horned rhinoceros, and twelve-year-old Teddy Fitzroy is on the case.

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.

Nukilik, a polar bear, joins Wangari, a pangolin with a genius for engineering, Murdock, an extremely sarcastic narwhal, and Arief, an orangutan with a big dream, to safeguard other endangered animals.

Twelve-year-old Casey is unhappy about being sent on a trip to Kenya with his wacky Aunt Elaine, until he encounters fascinating customs, endangered animals, and wild adventures.

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 taxidermied specimens of two endangered species, a software manager becomes the target of the ecoterrorists and wildlife traffickers behind a catastrophic global conspiracy.

A young girl yearns to see an elusive puma in the wild, knowing that their numbers are dwindling and that what her Gram calls a "long-dream" may never come true.

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...