Karen Liptak

Examines the history, culture, changing fortunes, and current situation of the various groups of Indians living in the Pacific Northwest.

Describes the healing techniques used by various American Indian tribes and explains the theories and beliefs behind these practices.

Describes various techniques used by scientists to date objects from the recent and distant past, including dinosaur bones, rocks, and famous works of art.

Describes different types of wetlands and their wildlife, including endangered plants and animals, explaining the environmental threats to the wetlands themselves.

Discusses Indian tribal chiefs in the past and present and examines the lives of four prominent chiefs, from Tecumseh to Wilma Mankiller.

Describes the Biosphere 2 project which has created a closed environment intended to duplicate life on Earth in a way that would facilitate future space colonies.