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Condition: Acceptable. Please see the images for more details. There is some highlighting. Dust jacket has damage. Cover art: Emanuel Schongut This is a first edition and former library book. Blurb: “A mysterious invisible barrier suddenly encloses a small, out-of-the-way American town. It's been put there by a galactic intelligence intent on imposing harmony and cooperation on the different peoples of the universe. But to the inhabitants, the barrier evokes stark terror.”