The interdisciplinary chapters in this volume explore and engage the work of Vincent and Elinor Ostrom, along with the Bloomington School of political economy more generally.The book emphasizes the continuing relevance of the Ostroms’ work for our understanding of collective action, self-governance, and institutional diversity for interdisciplinary research in the social sciences and humanities. The wide array of topics and approaches will make the volume of interest to readers in a variety of fields, including: political science, economics, philosophy, sociology, public administration, environmental studies, and political economy.