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LOOKING FOR BOOK OR BOOK SERIES I READ after 2004, but around maybe 2010 ? Ralph 1 10 Nov 21, 2023 04:48AM  
Terraforming Mars--what could go wrong? Gerard 1 10 Aug 27, 2022 07:01AM  
colonize a planet that never had living organisms. Ralph 4 14 Aug 26, 2022 08:34AM  
Alcubierre drive book I cant remember the name of Ralph 5 17 Sep 09, 2021 03:25PM  
ice breaker Massimo 29 50 Jul 08, 2021 11:23AM  
Cosmic economics Chris 1 24 Oct 22, 2020 05:39PM  
Resources for understanding Hard Sci-Fi Chris 5 32 Jul 04, 2020 07:14PM