Planet of sand, by Murray Leinster 68331 [Author: Murray Leinster] [Link: https://www.gutenberg.org/6/8/3/3/68331] [Files: 68331-0.txt; 68331-h.htm] Thanks to Greg Weeks, Mary Meehan and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Jacqueline