Max Heindel 
Rosicrucian Mysteries [PDF ebook] 
An Elementary Exposition of Their Secret Teachings

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Before entering upon an explanation of the teachings of the Rosicrucians, it may be well to say a word about them and about the place they hold in the evolution of humanity.