This series aims to provide, on an annual basis, some of the best contemporary work in the field of normative ethical theory. Each volume features new chapters that contribute to an understanding of a wide range of issues and positions in normative ethical theory, and represents a sampling of recent developments in this field. This eighth volume brings together thirteen new essays that collectively cover a range of fundamental topics in the field, including: the irreplaceable value of human beings, interpersonal morality and conceptions of welfare, what it is for something to be good for an animal (including humans), the relation between good will and right action, moral advice and joint agency, moral responsibility and wrongdoing, the basis of equality, the role of needs claims in ethical theory, threshold conceptions of deontology, prudential reasons, the significance of evaluative beliefs, and Stoic conceptions of insults. This volume features chapters by Ben Bramble, Samantha Brennan, Talbot Brewer, Dale Dorsey, Patricio A. Fernandez, Guy Fletcher, Christine M. Korsgaard, Chelsea Rosenthal, Grant J. Rozeboom, Roy Sorensen, Julie Tannenbaum, and Alex Worsnip.