"A kindergarten-level introduction to gorillas, covering their growth process, behaviors, the forests they call home, and such defining physical features as their strong jaws."--Provided by publisher.

The magic tree house takes Jack and Annie to an African rainforest, where the siblings encounter gorillas and learn to communicate with them.

Because his own mother is too young to take care of him, Umande, a newborn gorilla, is fed and cuddled by human zookeepers until a surrogate mother is found.