Fleming was the Editor of Nomos, the annual book of the American Society for Political and Legal Philosophy. In that capacity, he published four interdisciplinary volumes with New York University Press: Nomos L: Getting to the Rule of Law (2011); Nomos LII: Evolution and Morality (with Sanford Levinson) (2012); Nomos LIII: Passions and Emotions (2013); and Nomos LV: Federalism and Subsidiarity (with Jacob T. Levy) (2014). He has also served as the society's president and as of June 2021, is the Secretary-Treasurer.
