At the Threshold of Mystery is a journey through the history and progression of the mystery tradition, from its place in ancient history up to late 19th century France. Throughout the journey, Stanislas de Guaita weaves in his Kabbalistic insight and beautiful glimpses of Rosicrucian Illuminism. The appendix contains an in-depth analysis of two pantacles from the works of Heinrich Khunrath as well as sections pertaining to Martinism, and Rosicrucian...