Most usually, I start out by pondering some scientific principle and that then contributes to a e book. For "The Martian," I was considering, rather than for e book purposes, how are we intending to put people on Mars? I used to be thinking of the profile of the http://hectorbfgfc.uzblog.net/the-smart-trick-of-al-ron-hubbard-that-no-one-is-discussing-14859217