The idea of maslaha has a rich history in classical legal thought and literature. Conventionally translated into English as 'general benefit' or 'general interest', it has been the subject, over many centuries, of intense argument in Muslim legal manuals about how the concept should be constructed and how it might be interpreted. Some celebrated scholars have even elevated its status to an independent legal source; while other prominent jurists have spoken of the special strictures which need to be applied to maslaha when considering it within the overall framework of Islamic law. In this...