This book offers an interdisciplinary introduction to value theory. It reviews how researchers in four academic disciplines – psychology, sociology, anthropology, and philosophy – understand value and value change. It offers an introduction for researchers in these disciplines about how other disciplines define, theorize, and investigate value(s) to foster interdisciplinary communication.<p>The book identifies and summarizes similarities and differences of value theory between the academic disciplines and highlights promising areas where each discipline can learn from the others.</p>