A Primer of Higher Space - The Fourth Dimension, to Which is Added Man the Square - A Higher Space Parable

"A Primer of Higher Space - The Fourth Dimension, to Which is Added Man the Square - A Higher Space Parable" by Claude Bragdon. 1923 2nd revised edition (stated); Alfred A. Knopf; New York. There are in-text drawings and illustrated plates throughout. The book explores the fourth dimension through geometry, philosophy, and mysticism. It pairs visual geometric explanations with 'Man the Square,' a philosophical allegory about human consciousness and spiritual evolution. Numerous clippings from the 1930's were found within the pages, a few of which are related to Albert Einstein and mathematics. Also found was the original dust jacket, but it's split in half and in very poor condition with many tears and bits missing. Condition: Light staining along the perimeter of the covers. Tight binding with no cracks and no loose pages. Both covers are firmly attached. The rear blank end paper has been removed. The lower-outer corner of page 61 has torn off. Consistent underlined text, markings in the margins, and notes written in pencil. Plate #9 has an ink smudge at the top of the page. A stain appears at the bottom of the page edges starting at the front of the book and gradually gets smaller and smaller until it disappears at about plate #15 (with represents approximately the first half of the book). Overall the book is in Fair condition.…