| 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-O717-6 (1-4536-O717-X) | 2010 | Allen Simmons | 
D,. H.. · D. Hoffman · Dr. Doug L. Hoffman · L -H · L Hoffman