Murf rated Yet more Penguin science fiction: 4 stars
Walter M. Miller, Arthur Porges, Damon Knight, C. M. Kornbluth, A. Bertram Chandler, William Tenn, John Brunner, James Blish, A. E. van Vogt, Brian W. Aldiss, Theodore Cogswell, H. B. Fyfe, Arthur C. Clarke: Yet more Penguin science fiction (1964, Penguin Books)
Yet more Penguin science fiction by Walter M. Miller, Arthur Porges, Damon Knight, and 10 others (Penguin science fiction -- 2189)
The Wall Around the World - novelette by Theodore R. Cogswell [as by Theodore Cogswell] Protected Species - short story …