| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1983 | 978-0-913761-00-7 | Robert Lee Self | Long distance for less: How to choose the right long distance company |
| 1985 | 978-0-913761-01-4 | Robert Seef | Long Distance Book: How to Choose the Right Long Distance Company |
| 1989 | 978-0-913761-02-1 | Robert Self | Long Distance for Less: The Official Guide to Long Distance Telephone Services in the United States |
| 978-0-913761-05-2 | Long Distance For Less: The Official Guide to Long Distance Telephone Services in the United States | ||