• Forests of the World Series: Trees of Life (1993)
• Water Environment Series: Waste Water (1988)
• A Wave of Awakening (1992)
• Ta Dona (1991)
• Forests of the World Series: Who Owns the Forests? (1993)
• The Yew Tree (1992)
• Frontiers in the Environment (1993)
• Frontiers in Nature (1993)
• Ecosystems (1992)
• Kid Crafts: Fun with Recyclables (199?)
• Amazon: Land of the Flooded Forest (199?)
• National Audubon: Ancient Forests--Rage Over Trees (19??)
• Rain Forest (1991)
• Making a Difference: Restoring the Earth Around Us (1991)
• Curing the Automobile Blues (1993)
• Let's Create a Better World (1994)
• Working with Pesticides (1989)
• The Science of Biological Decomposition: Effective Composting Methods (1993)
• Legend of the Forest (19??)
• Careers in Environmental Restoration & Waste Management: I Wanna Clean It Up (19??)
• Balancing Needs: Coal and the Environment (19??)
• Lake Baikal: Endangered Ecosystem (1993)
• The Aral Sea: Environment Under Siege (1993)
• Conservation and Our Forests (1966)
• Conserving Our Natural Resources (Revised) (1979)

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