"A Discussion of the Stars" is a philosophical book written by the famous astrophysicist and popularizer of science, Carl Sagan. In the book, the author uses simple and clear examples to talk about the size of the universe, the role of man in the cosmos, and the commonality of our origin with the stars. He reveals to the reader the amazing mysteries of the cosmos, provoking deep thoughts about the place of man in it. "Discussion about the stars" is an exciting journey through the unknown that will remain in the heart of everyone who dreams of solving the puzzles of the universe.