Thirteen-year-old Teddy Fitzroy and his girlfriend, Summer, investigate when a mountain lion is accused of killing a prized dog outside of FunJungle Wild Animal Park in the Texas Hill Country.

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.

Ring and Asia Wilde's wild life is anything but ordinary. Instead of attending school, they travel the world with their tutor and parents (scientists who work to protect endangered species). On their last adventure, they swung through the Amazon rainforest to save their mom from vile kidnappers--while defending the forest's population of golden lion tamarins. Now they're in Baja, Mexico--the Sea of Cortez to be exact--searching for the endangered...

"Nina is used to feeling like the odd one out, both at school and in her large family. But while trying to fit in at summer camp, she discovers something even more peculiar: two majestic birds have built a nest in the marsh behind an abandoned infirmary. They appear to be whooping cranes, but that's impossible--Nina is an amateur bird-watcher, and all her resources tell her that those rare birds haven't nested in Texas for over a hundred years. When...