'My name is Mike and I am a map addict. There, it's said...' Mike Parker, presenter of Radio 4's On the Map, celebrates the richness of all things maps in this fantastic, critically-acclaimed read. On an average day, we will consult some form of map approximately a dozen times, often without even noticing: they are a cipher for every area of human existence. At a stroke, they convey precise information about topography, layout, history,...