The best and most comprehensive book to date on the subject. Helpful, constructive, thoroughly readable and enlightening picture of every phase from the routine civilian defense set-up to a blueprint for action by the civilians and the group in case of invasion. This shows what an extraordinary amount of ground work and organization has been done; it gives a sense of confidence,and enthusiasm for specific branches of service. Shows how each one works, plan of training, rules of action. Factual information about air raids,bombing, fires. A good chart to help citizens know where they fit, what to learn, what to do. Data on English program.