The Bloomsbury Companion to Bertrand Russell. Bloomsbury, 2018.
Ursula K. Le Guin: Always Coming Home. Author's Expanded Edition. Library of America, 2019.
Violent Minds: Modernism and the Criminal. Cambridge University Press, 2019.
Fictions of Western American Domesticity: Indian, Mexican, and Anglo Women in Print Culture, 1850-1950. University of New Mexico Press, 2018.
Ursula K. Le Guin: Hainish Novels and Stories 2 vols. Library of America, 2017.
Lawyers at Play: Literature, Law, and Politics at the Early Modern Inns of Court, 1558-1581. Oxford University Press, 2016.
Pole Raising and Speech Making: Modalities of Swedish American Summer Celebration. Ritual, Festival, and Celebration series, ed. Jack Santino. Utah State University Press, 2015.
Stories about Stories: Fantasy and the Remaking of Myth. Oxford University Press, 2014.
Literary Studies: A Practical Guide. Routledge, 2014.
Miss Lost Nation. Ahinga Press, 2014.
Parabolas of Science Fiction. Wesleyan, 2013.
Elizabethan Seneca: Three Tragedies. Modern Humanities Research Association, 2012.
Out of Bounds: Anglo-Indian Literature and the Geography of Displacement. University of Hawaii Press, 2011.
Mark Twain's Travel Literature: The Odyssey of a Mind. McFarland, 2008.
Up in the Rocky Mountains: Writing the Swedish Immigrant Experience. University of Minnesota Press, 2007.
An Historical Dictionary of Epistemology. Scarecrow Press, 2006.
Decoding Gender in Science Fiction. Routledge, 2002.
Building with Logs: Western Log Construction in Context.
University of Idaho Press, 1998.
The Norton Book of Science Fiction. Norton, 1993.
Strategies of Fantasy. Indiana University Press, 1992.
Building Idaho: An Architectural History. University of Idaho Press, 1991.
The Fantasy Tradition in American Literature: From Irving to Le Guin. Indiana University Press, 1980.