| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| How To Survive 2012 | 978-1-931882-68-2 (1-931882-68-1) | 2007 |
| The Orion Prophecy: Will the World Be Destroyed in 2012 | 978-0-932813-91-6 (0-932813-91-7) | 2002 |
| The World Cataclysm in 2012 | 978-1-931882-46-0 (1-931882-46-0) | 2005 |