Spawning Ground, by Lester del
   Rey                                       61052
     [Link: http://www.gutenberg.org/6/1/0/5/61052 ]
     [Files: 61052.txt; 61052-h.htm]
   Thanks to Greg Weeks, Mary Meehan and the Online
   Distributed Proofreading Team at http://www.pgdp.net
   Chuck