| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9755671-1-1 | Sam Penny | Broken River: Book 2 of The 7.9 Scenario |
| 2005 | 978-0-9755671-2-8 | '' | Memphis 7.9 (revised): Book 1 of The 7.9 Scenario |
| 2012 | 978-0-9755671-3-5 | '' | Was a Time When: A Novel That Asks, "What Happens WHEN, Not IF, Resource Depletion, Population Pressures, and Climate Change Push The World of Our Grandchildren Into a Great Collapse?" |