The manless worlds, by Murray Leinster 69465 [Author: Murray Leinster] [Link: https://www.gutenberg.org/6/9/4/6/69465] [Files: 69465-0.txt; 69465-h.htm] Thanks to Greg Weeks, Mary Meehan and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Jacqueline