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

"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 Reading level: RL 2.3 ; Ages: 6-9

"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...

"Of all the Rescue Bots, it's Boulder who has the kindest heart. So when he discovers an endangered species of woodpeckers living in Griffin Rock, he goes to extremes to protect them-even when it means going up against the mayor!"--

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