The Canonical Papers of Steven C. Hayes is a compilation of his most pivotal articles written from 1982-2012. Through these selected papers, Hayes again revisits the theoretical struggles between behavioral and cognitive-behavior theories, taking us from the 1980s into present day, discussing the breakthroughs and follies. Using this as a focus point, he discusses the tradition of behavior analysis and its difficulties in addressing human language and cognition. Moving forward into the 90s, he chronicles the changes in a behavioral approach that emerge from a contextual...