I have this feeling as well . Mine started however in my ex job , where the owners watched absolutely everything we did , whether they were in the pub or not . They often did it remotely , then would ring us staff from their house to either shout at us or question our actions . Horrible people , and I ' m constantly worried about being surveyed now . <| sep |> They sell feminine products in the station store , though selection is very limited . <| sep |> Total War , though probably limited in ways I don ' t know about , I think covers fairly well how battles were fought . Art of WarOn War , though this deals mostly with strategy and politics . De Re MilitariRoyal Armouries Ms . I . 33 Nrnberger Handschrift GNM 3227 aYou won ' t really find an AZ guide on medieval warfare , since each area had a different way of making war . Tactics wise , I don ' t think you will find much , since nothing was standardized to the degree that modern militaries are . The principles of strategy and the politics associated with war , however , I would say have changed very little , and have only changed because we understand more about them .