- EbookSecrets of Ufo TechnologyKenneth W. Behrendt
- EbookThe Physics of the ParanormalKenneth W. Behrendt
- EbookThe Triumphant Orffyrean Perpetual Motion Finally Explained!Kenneth W. Behrendt
- EbookThe New Science of the UfoKenneth W. Behrendt
- EbookThe How and Why of UfosKenneth W. Behrendt
- EbookEssays from the Edge of ScienceKenneth W. Behrendt