Hearthstone Publishing, Ltd. · Master Books
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Footprints and the Stones of Time | 978-1-879366-17-6 (1-879366-17-7) | 1994 | Carl Edward Baugh |
| The Energy Non-Crisis | 978-0-89051-068-1 (0-89051-068-7) | 1980 | Lindsey Williams |