Typography confronts us everywhere: in books and newspapers, on road signs, product packaging and political leaflets. It is ubiquitous to the point of mundanity. But while the typeface might be secondary to the message, it remains crucial to the way we respond. Fonts spark emotions; they evoke eras and ideologies. Some, like Edward Johnson’s for the London Underground, have become iconic. Others, like comic sans, are loathed. Each one has its own place in history. The ABC of Typography traces 3,500 years of type, from Sumerian pictographs, through Roman calligraphy, to Gutenberg, the...