What if there really are aliens & they do attack? Read what two scientists reveal in this how-to survival manual for the space age Alien invasion Unlikely? As unlikely as Pearl Harbor? The extinction of the dinosaurs? A meteor strike that levels whole forests in Siberia? You get the drift Some events produce such a massive setback to life the Earth & to humanity that we must understand & prepare for them even if the chances are low that they come about In fact it will be criminal & abrogation of our duty to future generations if we do not get ready! But where to begin? Drs Travis S Taylor & Bob Boan have the answers Both are experienced scientists physicists with expertise in both defense & military signal intelligence & experience working with both the Department of Defense & NASA These are intellectual heavyweights who have a clear idea of the possibilities of alien contact the calculations of whether or not that contact will be friendly what to do if it not