Large lot of 31 Mixed Vintage Fantasy Sci-fi Paperback Books Various Authors. 1950s - 1970s many first edition paperbacks. Some Perry Rhodan, Dean Koontz, Frederik Pohl, Stanislaw Lem, Piers Anthony and many more. Three are flip novels. One story on one side, flip over to the 2nd. Nice condition for age. Covers good. Some with page yellowing.
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