Worlds Within Worlds, Volume 1, by Isaac Asimov 49819 [Full title: Worlds Within Worlds: The Story of Nuclear Energy, Volume 1 (of 3)] [Subtitle: Atomic Weights; Energy; Electricity] [Link: http://www.gutenberg.org/4/9/8/1/49819 ] [Files: ; 49819-0.txt; 49819-h.htm] Thanks to Stephen Hutcheson, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net Regards, Al