Intelligent Life in the Universe, I.S. Shklovskii and Carl Sagan
First edition, first printing of Sagan's first book, a collaboration with the Russian astrophysicist I.S. Shklovskii and the "first popular and accurate modern discussion of the entire panorama of natural evolution." San Francisco: Holden-Day, 1966. A very good copy in a good or slightly better, unclipped dust jacket. Binding is tight, sturdy and square. Bump to spine crown, light shelfwear and rubbing to boards. Internally clean with no markings. Jacket shows some shelfwear and a few closed tears, reinforced with tape to verso.