Clifford D. Simak All Flesh is Grass-众生是草

作者：Clifford D. Simak

书名：All Flesh is Grass《众生是草》

简介：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.