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Living Off the Land in Space: Green Roads to the Cosmos
  • PDF
  • English
  • Year: 2007
  • Author: Gregory L. Matloff, Les Johnson, C. Bangs
Paradise Regained: The Regreening of Earth
  • PDF
  • English
  • Year: 2009
  • Author: Les Johnson, Gregory L. Matloff, C Bangs
Harvesting Space for a Greener Earth
  • PDF
  • English
  • Year: 2014
  • Author: Greg Matloff, C Bangs, Les Johnson (auth.)
Solar Sails: A Novel Approach to Interplanetary Travel
  • EPUB
  • English
  • Year: 2014
  • Author: Giovanni Vulpetti, Les Johnson, Gregory L. Matloff
More Telescope Power: All New Activities and Projects for Young Astronomers
  • PDF
  • English
  • Year: 2002
  • Author: Gregory L. Matloff
TikTok Stars
  • EPUB
  • English
  • Year: 2020
  • Author: C. D. Bangs
Experimenting with the PICbasic Pro Compiler
  • ZIP
  • English
  • Year: 2000
  • Author: Les Johnson
The Starflight Handbook: A Pioneer’s Guide To Interstellar Travel
  • PDF
  • English
  • Year: 1989
  • Author: Eugene Mallove & Gregory Matloff
Free Nonfiction 2011
  • MOBI
  • English
  • Year: 2011
  • Author: Les Johnson, Gregory Benford, Tom Kratman, Tony Daniel, John Lambshead
Free Nonfiction 2011
  • RTF
  • English
  • Year: 2011
  • Author: Les Johnson, Gregory Benford, Tom Kratman, Tony Daniel, John Lambshead
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