Modernism is usually thought of as a shock wave of innovations hitting art, architecture, music, cinema and literature — the work of Picasso, Joyce, Schoenberg, movements like Futurism and Dada, the architecture of Le Corbusier, T.S. Eliot's The Wasteland and the avant-garde theatre of Bertolt Brecht or Samuel Beckett. But what really defines modernism? Why did it begin and how long did it last? Is Modernism over now? Chris Rodriguez and Chris Garratt's brilliant graphic guide is a brilliant exploration of the last century's most thrilling artistic work — and what it's really all about.