Although the book is fiction and meant to be entertaining, it has educational value for anyone wanting to prepare themselves for an unexpected emergency. The book contains crucial information on the systems, supplies and procedures necessary to survive a major emergency. The systems detailed in the book were designed, built and are in use by the author and his wife. These systems, supplies, procedures and considerations are part of the lifestyle that the author and his wife have chosen and are living today. The incidents playing out throughout the story and the hardships that the survivors face are realistic events that the author has studied and evaluated in an effort to make this a thought provoking, realistic post apocalyptic novel.