“One item of Mayan folklore ran through my mind. It was noted that somehow every five thousand years a civilization ends and a new one begins. […] Is that why the Mayas carefully measured the beginning and end of each cycle? In fact, they marked the very date when the current cycle will end. The cycle began in 3113 B.C.; it will close in the year 2011 A.D. and the date? December 24. That’s right, Christmas Eve, 2011 A.D. Welcome to the outer space connection?”
Or, as the back cover puts it:
“On December 24, in the year 2011, they will return!”
I suppose in 1975 that seemed far enough away to be plausible (Rod Serling’s Night Gallery of 1970-1973 had plenty of predictions about far-off 1999, after all), but today, this seems as silly as all of the midcentury speculation about the “year 2000.”
Oh, and most important: No aliens. This bit of ancient astronaut lore is 100% wrong, another failed prediction in the near-endless list of ancient astronaut myths, fraud, and lies.