Though he authored several books, this is Jennings’ best-known work. He has assembled a wealth of information concerning the history and rituals of the Rosicrucians and related offshoots, extending his research to include Gnosticism, Kabbalah, the Druids, ancient and medieval cultures, and beyond. To get a better idea of all that is covered in these pages, one only need to look at the chapter headings: Critics of the Rosicrucians Criticized; Singular Adventure in Straffordshire; Insufficiency of Worldly Objects; The Hermetic Philosophers; An Historical Adventure; The Hermetic Brethren; Mythic History of the Fleur-de-lys; Sacred Fire; Fire-Theosophy of the Persians; Ides of the Rosicrucians as to the Characteristics of Fire; Monuments Raised to Fire-Worship in all Countries; Druidical Stones and their Worship; Inquiry as to the Possibility of Miracle; Can Evidence be Depended Upon? - Examination of Hume’s Reasoning; Footsteps of the Rosicrucians Amidst Architectural Objects; The Round Towers of Ireland; Prismatic Investiture of the Microcosm; Cabalistic Interpretations by the Gnostics; Mystic Christianity Figures and Talismans; The “Rosy Cross” in Indian, Egyptian, Greek, Roman, and Medieval Monuments; Myth of the Scorpion, or the Snake, in its Many Disguises; Ominous Character of the Colour “White” to English Royalty; The Beliefs of the Rosicrucians - Meaning of Lights and of Commemorative Flambeaux in All Worship; The Great Pyramid; History of the Tower Steeple; Presence of the Rosicrucians in Heathen and Christian Architecture; The Rosicrucians Amidst Ancient Mysteries and in the Orders of Knighthood; Rosicrucianism in Strange Symbols; Connection Between the Templars and Gnosticism; Rosicrucian Origin of the Order of the Garter; Rosicrucian Supposed Means of Magic through Signs, Sigils, and Figures; Astro-Theosophical System of the Rosicrucians - The Alchemic Magisterium.