The Milky Way (The Harvard books on astronomy)

The Milky Way a New Editon, Enlarged and Revised by Bart J. Bok and Pricilla F. Bok, Harvard University press, 1974, Fourth Edition. In this book as the previous editions, the Bok's invite you to join them "on a brief tour along the road to the heavens of the Greeks. Modern science is providing the transportation facilities and, without its being necessary for you to leave your comfortable chair, we would like to show you the sights...The MILKY WAY, in this its Fourth Edition, is the only popular - or semi-popular-book that covers all aspects of contemporary knowledge of and research into our home galaxy, The Milky Way. "GLORIOUS."