| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9744358-0-0 | Michael Hein | Exploring America's Highways: Wisconsin Trip Trivia (American Midwest) |
| '' | 978-0-9744358-1-7 | Michael Heim | Exploring America's Highways: Minnesota Trip Trivia |
| '' | 978-0-9744358-2-4 | Michael Heim | Exploring America's Highways: Michigan Trip Trivia |