| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Broken River: Book 2 of The 7.9 Scenario | 978-0-9755671-1-1 (0-9755671-1-X) | 2004 |
| Memphis 7.9 : Book 1 of The 7.9 Scenario | 978-0-9755671-2-8 (0-9755671-2-8) | 2005 |
| 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?" | 978-0-9755671-3-5 (0-9755671-3-6) | 2012 |