Two highly informative products of particular interest to survivalists are Survival MD (Go to here) and Blackout USA (Go to here). Both are intensely informative digital information packages.  Survival MD sprang from the bitter experiences of its developer in the aftermath of Hurricane Katrina; it is a do-it-yourself medical survival guide designed to prepare the reader for dealing with the severe health challenges which always follow disasters, whether man-made or natural.  Blackout USA is a package designed to prepare the resourceful citizen to  survive the effects of an electromagnetic pulse (EMP) event and to function acceptably in its aftermath.