| year of publication | ISBN | author(s) | title |
| 1986 | 978-0-937813-00-3 | Bill Gordon | How Many Books Do You Sell in Ohio? |
| 1992 | 978-0-937813-03-4 | William A. Gordon | The Ultimate Hollywood Tour Book: The Incomparable Guide to Movie Stars' Homes, Movie and TV Locations, Scandals, Murders, Suicides, and All the Fam |
| 1990 | 978-0-937813-04-1 | William A. Gordon | The Fourth of May: Killings and Coverups at Kent State |
| 1995 | 978-0-937813-05-8 | '' | Four Dead in Ohio: Was There a Conspiracy at Kent State |
| 1997 | 978-0-937813-06-5 | '' | The Ultimate Hollywood Tour Book (2nd Edition) |
| 2002 | 978-0-937813-07-2 | '' | The Ultimate Hollywood Tour Book (3rd edition) |
| 2015 | 978-0-937813-08-9 | '' | The Ultimate Hollywood Tour Book: The Incomparable Guide to Movie Stars' Homes, Movie and TV Locations, Scandals, Murders, Suicides, and All the Famous Tourist Sites (4th edition) |