Ages 6 to 12 years. In the African wilderness, mountain gorillas are severely threatened. These gentle giants are the largest of all the apes, living in family groups that fascinate scientists and enthusiasts alike. This appealing and timely book uses clear, attractive photographs to illuminate text on such topics as: mountain habitats; the life cycle of a mountain gorilla; the social structure of gorilla family groups; threats of disease; dangers of poaching, civil war, and habitat loss.