Traces the history of the earth's land forms and plant and animal life, from the first emergence of land masses to the beginning of the Cenozoic era approximately sixty million years ago.
Describes various techniques used by scientists to date objects from the recent and distant past, including dinosaur bones, rocks, and famous works of art.
Looks at how maturation from childhood to adulthood is confirmed and celebrated through rituals, religious ceremonies, and other traditions in societies around the world.
Describes different types of wetlands and their wildlife, including endangered plants and animals, explaining the environmental threats to the wetlands themselves.
Text and photographs examine five ethnic groups living tribal existences around the world and show how assimilation into mainstream society and other factors are threatening their cultures.
