This handbook is a thorough and state of the art overview of a central and fast-growing topic in philosophy including up-to-date topics throughout making it the ideal reference source for both students and scholars. This is the only handbook to pull together a thoroughly comprehensive overview of the topic of philosophy of agency. This handbook will help the field of study organise itself: it will be a rallying point for any student and researcher interested in the subject. All chapters are specially commissioned, written by an international team of renowned contributors and not previously published.