This is volume one of a two volume work (each issued separately) published by the Golden Dawn Research Trust, a group devoted to publishing the original documents etc. of the Golden Dawn, and the source materials that inspired them. Book 1 of this volume includes English translation of "Der Rosenkreuzer in seiner Blösse": or "The Rosicrucian Exposed" by Magister Pianco (Hans Heinrich von Ecker und Eckhoffen). Translated from the German by W.J. Songhurst; the Greek translated by Adam Forrest; and the Latin by John Michael Greer. Book II is "Themis Aurea": The Laws of the Fraternity of the Rosie Cross by Michael Maier. Newly revised into modern English by Darcy Küntz; the Greek translated by Adam Forrest; and the Latin by James Hume.

This copy is from the collection of Thelemic author Robert C. Stein (1931 – 2024), who wrote "The Mystery of the Letters and The Tree of Life" and other works. Stein was a Professor Emeritus of Biology in the New York State University System, whose involvement in the study and practice of Thelema spanned three decades and travels in five continents.