Matteo Carpentieri ha valutato Isaac Asimov Presents The Great SF Stories #20 (1958): 3 stelle
Isaac Asimov Presents The Great SF Stories #20 (1958) di Poul Anderson, Isaac Asimov, Brian W. Aldiss, e 10 altri
A short story collection, edited by Isaac Asimov and Martin H. Greenberg:
The Last of the Deliverers by Poul Anderson …