The Atlas of Middle-earth: an updated and authentic guide to the geography of J.R.R. Tolkien’s “The Lord of the Rings”, “The Hobbit”, and “The Silmarillion”, Houghton Mifflin, 1991/2001
The Baltimore Elite Giants: Sport and Society in the Age of Negro League Baseball, The Johns Hopkins University Press, 2009
subject of the book: Bob and Ray. And Tom: The Story of a Guy Who Wrote A Lot of Stuff for Radio’s Greatest Satirists, by Dan Gillespie, BearManor Media, 2008
Taking Woodstock: A True Story of a Riot, a Concert, and a Life (with Tom Monte), Square One Publishers, 2009
So Many Seasons in the Sun: A Century and More of Conversation with Baseball’s Greatest Clubhouse Managers, Saint Johann Press, 2013
Sol White’s History of Colored Base Ball: With Other Documents of the Early Black Game 1886-1936/Bison Books, 1996