Studies the ecology of tropical rain forests, or jungles, and the vital role of their water, air, plant, and animal resources in preserving the global environmental balance. Also describes how easily man's activities can endanger or upset this fragile environment.

Este título enseña a los lectores jóvenes sobre los orangutanes y cómo están en peligro de extinción debido a la pérdida de hábitat, la caza ilegal y más. This title will teach readers about orangutans and where they live. It will also let readers know that orangutans are endangered and that they face many threats, baby orangutans are sold as pets.