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