It Must Be Art: Big O Poster Artists of the 1960s and 70s

Over 300 images of psychedelic poster artwork published by Big O Posters.

Throughout the 1960s and 70s, London-based Big O Posters helped define the new and democratic art medium of the psychedelic poster, a vehicle for rebellion against the old order that went hand in hand with the music, literature, and film of the time. This is a comprehensive collection of works published by Big O artists, astonishingly creative folks whose artistry developed almost completely outside the influence of...