His books include The Heart of Justice: Care Ethics and Political Theory (Oxford: Oxford University Press, 2007); Justice, Politics, and the Family, co-edited with Tamara Metz, (Boulder: Paradigm Publishing, 2014); and Care Ethics and Political Theory co-edited with Maurice Hamington (Oxford University Press, forthcoming 2015). He has published articles on care ethics and animal welfare, public policy and parenting, and other issues relating to care ethics, the family, and justice.