Babel-17 by Samuel R. Delany 1980 Paperback Ace

Babel-17 (1973) By Samuel R. Delany, ACE 3rd Print , Vintage Sci-fi Book

Babel-17 by Samuel R. Delany (English) Paperback Book

The Eternal Savage - Edgar Rice Burroughs - 1963 Ace SF Vintage US Paperback

The Eternal Savage by Edgar Rice Burroughs ~ Ace Publishing #21803 ~ c.1974

"Pirates of Venus" by Edgar Rice Burroughs Ace Books F-179 Paperback Book

Lost On Venus By Edgar Rice Burroughs Ace 49500 Vintage Sci-fi Classic Paperback

Babel-17 by Samuel R. Delany - Sphere, 1977