The Handbook provides an engaging and accessible survey of current philosophical studies of rationality, and a useful up-to-date roadmap of state-of-the-art thinking on this enduring topicThis is an authoritative sourcebook. Whereas each chapter can be read on its own and the references within each essay direct the reader to further writings in that topic area, the selection and arrangement of the topics are thoughtful and well-designed. Each author is undoubtedly among the best qualified candidates to undertake his or her commissioned chapter, and most essays are consistently of high quality.