The SAGE Encyclopedia of Theory in Counseling and Psychotherapy is a two-volume source that traces theory and examines the beginnings of counseling and psychotherapy all the way to current trends and movements. This reference work draws together a team of international scholars that examine the global landscape of all the key counseling and psychotherapy theories and the theorists behind them while presenting them in context needed to understand their strengths and weaknesses. This is a quick, one-stop source that gives the reader the "who, what, where, how, and why" of contemporary counseling and psychotherapy theory. From historical context in which the theories were developed to the theoretical underpinnings which drive the theories, this reference encyclopedia has detailed and relevant information for all individuals interested in this subject matter.