BookSurge Publishing · CreateSpace Independent Publishing Platform
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Energy Gap: How to Solve the World Energy Crisis, Preserve the Environment & Save Civilization | 978-1-4536-0717-6 (1-4536-0717-X) | 2010 | Doug L Hoffman |
| The Resilient Earth: Science, Global Warming and the Future of Humanity | 978-1-4392-1154-0 (1-4392-1154-X) | 2008 | Dr. Doug L. Hoffman |