Photographs and text provide information about various aspects of the cultures and civilizations of Africa, covering lifestyles, beliefs, skills, and crafts.
Photographs and text explore the anatomy and life cycle of trees, examining the different kinds of bark, seeds, and leaves, the commercial processing of trees to make lumber, and the creatures that live in trees.
Describes the seven basic shapes of crystals and how they form in nature, how crystals are studied and identified, how crystals are grown artificially, how crystals are used in industry, and other aspects of crystallography.
Text and photographs present a description of early humans: their origins; their tools and weapons; how they hunted and foraged for food; and the role of family life, money, religion, and magic.
