This collection of studies is devoted to a description of the achievements of ancient civilizations, the reasons for their destruction and the ways of returning Humanity back to its former power. It consists of three parts. The first - "Our Ancestors" - comes out significantly supplemented with new materials. The second part, included in this collection, “The Origins of the Lunar Cult,” has also been revised, corrected and supplemented with new information. The third part, “The Return of Paradise to Earth,” concentrates research materials on what needs to be done to return the lost Paradise to Earth.