18th Edition. Undated. Gently read and not remaindered. Some light blue pencil crayon scribbles toward the top of the title page with a short tear and crease, small booksellers label to the bottom edge otherwise the interior is clean and unmarked. Card covers (softcover) are a bit bumped to extremities with a hint of "corner curl" to show and some light soiling. An explanation of the Rosicrucian take on Mystic Christianity. An elementary treatise upon Man’s past evolution, present constitution and future development.