The term “art” has been defined and redefined so many times over the last 100 years that it has gained entirely new social, political, and technological meanings. Ranging across the full spectrum of disciplines available, including photography and new media, and thematically chaptered to highlight relationships between works and movements, this readable and encyclopedic survey does just what it says on the cover. Whether you want Surrealism or Land Art, Fluxus or Bauhaus, this is your be-all, end-all guide to art of the 20th century.