I read the older 2006 version of the book with the brown cover. Its okay reading, pretty high up there on the tin foil hat scale, but I have read my copy 2-3 times. I personally prefure "lights out" "deep winter" "shatter (deep winter 2)"... the 3rd in the series is on its way "remnant" cant wait, and "cold camp". There are other short stories on frugal forums (winds of change series), THR (the bug out), ARFcom (WAY too many to mention), and others that are available for free from members who post parts of their stories regularly and keeps me entertained.
Yes its true the deep winter and shatter are authorized by the author for distribution via email, just no hosting on a website. Lights out is only available via electronic formats. I however bought both deep winter and shatter from the author signed. Its the least I could do for writing such great books. Even the coworkers I have given PDFs to enjoy reading them.