Library Binding
(Twenty-First Century Books, Jan. 1, 2003)
Explores the Adirondack forests of New York state, discussing how the forest develops, the plants and animals found there, and ways in which the living and nonliving parts of the forest work together.
Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the largest estuary in the United States, the Chesapeake Bay.
Using the Columbian River Basin as an example, explores the ecosystems of rivers of all sizes in mountains and valleys, and discusses the impact of human interaction.
Library Binding
(Twenty-First Century Books, Oct. 1, 2002)
Describes the ecosystem of the Douglas fir, the old growth forests of the Pacific Northwest, the effects of human activities on them, and efforts to protect them.
Library Binding
(Twenty-First Century Books, Sept. 1, 2002)
Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the American tallgrass prairie.
Library Binding
(Twenty-First Century Books, Jan. 1, 2003)
Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the North American Sonoran Desert.