Philosophers have traditionally assumed that the difference between active and passive movement could be explained by the presence or absence of an intention in the mind of the agent. This assumption has led to the neglect of many interesting active behaviors that do not depend on intentions, including the "mindless" actions of humans and the activities of non-human animals. In this book Jones offers a broad account of agency that unifies these cases. The book addresses a range of questions, including: When are movements properly attributed to whole agents, rather than to their parts? What...