- The Plant Explorer's Guide to New England. 1994. Missoula, Mont.: Mountain Press.
- The Amateur Geologist: Experiments and Investigations. 1993. New York: Franklin Watts.
- Picture Guide to Tree Leaves. 1991. New York: Franklin Watts.
BOOK-LENGTH REPORTS
- The Embarras Region: An Inventory of Natural Resources. Springfield, Ill.: Illinois Dept. of Natural Resources.
A SAMPLING OF MAGAZINE ARTICLES
- "Family Trees: The Oaks." 2001. Chicago Wilderness 5 no.1: 28-30.
- "Classic Restorations." 2000. Chicago Wilderness 3, no.4: 4-10.
- "Mushrooms: Exploring Chicagoland's Middle Kingdom." 1999. Chicago Wilderness 3, no.1: 5-9.
- "Chicagoland's Fascinating Geologic Past." The Lizzadro Museum Publication 1999: 17-29.
- "The Mackinaw River: A Geological Field Trip." 1997. The Nature of Illinois 4, no. 3: 1-5.
