Les Johnson is the co-author of three published popular science books, Living Off the Land in Space, Solar Sails, and Paradise Regained: The Regreening of Earth. His first science fiction novel, Back to the Moon, was published in December 2010 by Baen. Les is the Deputy Manager for NASAs Advanced Concepts Office at the Marshall Space Flight Center in Huntsville. He was technical consultant for the movie, Lost in Space. NPR, CNN, Fox News, The Science Channel and The Discovery Channel have all interviewed him. He appeared on the Discovery Science Channel in their Exodus Earth series and the "How to Build A Starship" episode of Michio Kaku's 2010 Discovery Science Channel Series "Physics of the Impossible. He was the Chief Scientist for the ProSEDS space experiment, twice received NASAs Exceptional Achievement Medal, and holds 3 space technology patents. He has numerous peer-reviewed publications and was published in Analog."