The first edition was printed in November 1909, it has little changed since then and it is considered to be Max Heindel's magnum opus. It is a reference work in the Christian mysticism practice and in the Occult study literature, containing the fundamentals of Esoteric Christianity from a Rosicrucian perspective. The Cosmo contains a comprehensive outline of the evolutionary process of man and the universe, correlating science with religion. It is, till current days, the basic book for the Philosophy courses of the school, The Rosicrucian Fellowship, founded by the author in 1909/11. Cornerstone Reprint Series
