The Oxford Handbook of Rationality is a collection of articles that explore different perspectives on rationality. It covers a wide range of topics, including philosophy, economics, psychology, and law. The book is divided into two parts: the first part looks at what rationality is, while the second part examines how rationality relates to other areas like gender, language, and science. Overall, the handbook provides a comprehensive overview of the current understanding of rationality and its importance in various fields of study.