Sharing without Reckoning is the first full-scale treatment of the ancient and persistent distinction between "perfect" and "imperfect" rights and duties. It examines the use of the distinction in jurisprudential, philosophical and religious material from Classical times until the present; proposes a connection between imperfect right and the "norms of reciprocity" (as that complex set of ideas has been developed in anthropology and sociology); and argues that contemporary understanding of the nature of morality and of moral reasoning would be well served by the reintroduction of...