Other ISBN range for Heliograph, Inc.: Heliograph, Inc. (978-1-930658-...)
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-0-9668926-0-4 | Mark Clark · Brian Kendall · Steve Whitmore | Transactions of the Royal Martian Geographical Society: The Journal of Victorian Era Roleplaying |
| '' | 978-0-9668926-1-1 | Mark Clark · Jeff Boyle · Steve Whitmore | Transactions of the Royal Martian Geographical Society: The Journal of Victorian Era Roleplaying |
| 2000 | 978-0-9668926-8-0 | John Gannon | Transactions of the Royal Martian Geographical Society: The Journal of Historical Science Fiction Roleplaying |
| '' | 978-0-9668926-9-7 | Frank Chadwick | Space 1889: Science Fiction Role Playing in a More Civilized Time |