Music of the Earth; 1996, Plenum Publishing (Perseus Books Publishing), New York (hardcover).
Music of the Earth; 2003, Perseus Publishing, New York, (paperback)
Talking Rocks; 2000; Pfeifer-Hamilton, Duluth (University of Minnesota Press)
Talking Rocks; 2003; University of Minnesota Press.
A Walking Guide to the Superior Hiking Trail: Natural History, Scenery, and Other Trail Features: with Judy Gibbs; Rockflower Press, 2006, 2008.
Gooseberry Falls to Grand Portage: A Walking Guide To The Hiking Trails In Minnesota's North Shore State Parks; with Steve Morse: Rockflower Press, 2007
Ancient Earth and the First Ancestors: A Cultural and Geological Journey: Rockflower Press, 2011(Print and e-book editions)
A Road Guide: The North Shore of lake Superior on Highway 61: Beaches, Overlooks, Waysides, and Short Walks: Rock Flower Press, 2011 (an e-book)
Gooseberry Falls State Park: A Walking Guide, Rockflower Press e-book, 2012
Split Rock State Park: A Walking Guide, Rockflower Press e-book, 2012
Tettagouche State Park: A Walking Guide, Rockflower Press e-book, 2012
Temperance River State Park: A Walking Guide, Rockflower Press, E-Book, 2012
Awards For Talking Rocks:
Finalist- Minnesota Book Awards- Environment and Nature Category.
Winner- Best Environmental Book for 1999- Association of Midwest Publishers.
Winner- Best Overall Book of 1999- Association of Midwest Publishers.
About Talking Rocks
About Walking Guide to the Superior Hiking Trail
About Ancient Earth and the First Ancestors
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