The Third Hand : University of Minnesota Press : 9780816637133 : 081663713X : 08 Feb 2001 : A major reevaluation of collaboration's role in art since 1968. The lone artist is a worn cliché of art history but one that still defines how we think about the production of art. Since the 1960s, however, a number of artists have challenged this image by embarking on long-term collaborations that dramatically altered the terms of artistic identity. In The Third Hand, Charles Green offers a sustained critical examination of collaboration in international contemporary art, tracing its origins from the evolution of conceptual art in the 1960s into such stylistic labels as Earth Art, Systems Art, Body Art, and Performance Art. During this critical period, artists around the world began testing the limits of what art could be, how it might be produced, and who the artist is. Collaboration emerged as a prime way to reframe these questions. Green looks at three distinct types of collaboration: