The London Underground is the world’s oldest subway, most people know it colloquially as the Tube. An engineering marvel and just as almost as famous is the map. The Tube map is instantly recognisable all over the world. It is a simple and elegant diagram of the 400-kilometre subway network. It is considered by many as one of the great images of the 20th century.
From where does visual literacy first spring? Picture books. A child splayed comfortably on a parent’s lap, is exquisitely attuned to “reading” every element of design: typography, line, shape, colour. Heard aloud, the spare text of a picture book hangs over the scene, casting it in amber.