They came at the dawn of the Nuclear Age with a plan to rejuvenate the Earth and her people. In the ancient past they lived on Earth and built the civilization of Lemuria before leaving, and then returned to the seeds they planted in this time of extreme danger. Who are the time travelers? "We travel through a time differential. I am not at liberty to reveal our propulsion system, except to say it is something akin to anti-magnetic forces. "Our purpose is friendly and for the mutual benefit of both planets, and other planets and worlds, for we are of a confederation of planets. Great events are coming that you must be prepared to meet, and we are here to help you become alert, to prepare and to understand what is happening. It is vital to our welfare that you are successful. "Because you are so primitive technologically and so undeveloped psychically, we greatly underrated your capacities of understanding and learning. . . . Now we know we have only to explain and teach and help you develop yourselves along the necessary lines." The Time Travelers These extraterrestrials detail their mission with Ida Kannenberg and others like her in this spellbinding account of her initiation into the mind and human origins.