These books contain facets of the high points and turning-points in the history of humanity. Their purpose is not limited to historical research, but goes beyond such findings. The accounts are free from all the additions of subsequent influences pertaining to power and geopolitics, thus making it possible to understand the events of that time in the context of their origin and course of development. The actual content of the books is the spiritual development of mankind in times past, as received and portrayed by human beings called for the purpose.