The history of the Freemasons is detailed in Clymers' work here- it is an analysis of that same history from a particularly mystic and Rosicrucian perspective, speaking at length on the tale of Hiram Abiff, of the pyramids, and of ancient mystery schools.
It is delivered mainly in the form of numbered sections, which relate to various subtopics, often containing quoted remarks from others exploring the concept.
146 pages.