x. 228 pgs. Near Fine condition green cloth hardcover, clean and unmarked, binding tight, very slight wear to cloth at edges and corners. Illustrated plates. Author was former Regius professor of Astronomy at the University of Glasgow and Fison Memorial lecturer. Contents: Preface, The Earth or Sun as Center of the Universe?, The Rule of Law, Towards the Nebulae, Sounding the Depths of Space, Stellar Motions, The Secrets of Light, How Does the Sun Keep on Shining, The Galaxy, The Expanding Universe, Past, Present and Future, Index. #2479.