The final manuscript of Dr. John E. Mack explores how the UFO phenomenon is a window into the worldviews of our human family. "If you want to shatter the western mental structures, the western mind so to speak, which is now permeating the whole earth in its materialist, dualistic philosophy; the way you do it is, you take something that's suppose to be in the spirit world, because even in the west we can make allow for the spirit world and we can study it through mythology, through religion, thr