This book is vast and requires careful study. It touches on a variety of themes, including a re-envisioning of the history of the cosmos, the nature of revelation in history, and the descent of divine knowledge as the means of renewing and evolving the consciousness of humanity, all as viewed from the lens of the Law of Time and the synchronic order. Of special note are: The treatment of the 13.7 billion year history of the present cycle of cosmic evolution; the description and analysis of the principle spiritual messengers of history; and, most significantly, the presentation of cosmic science as a startlingly new (extra-terrestrial) descent or revelation of knowledge, including as an appendix, a complete translation of the original treatise, "An Introduction to Cosmic Science.