Stellar Atmospheres by Cecilia Payne.
1925 signed edition of Cecilia Payne's book that was her doctoral thesis at Radcliffe College with a forward by Harlow Shapley. My personal copy of this book was used in episode eight ("Sisters of the Sun") of the 2014 production of "Cosmos: A Spacetime Odyssey". I was contacted in April 2013 by the research staff of Voyager Pictures, LLC after they found this web page while doing their research for the Cecilia Payne episode. You can spot me in the credits of this episode (episode eight).