In 2007, she published her first book, The Rise and Fall of the Garvey Movement in the Urban South, 1918-1942 (New York: Routledge, 2007). In 2013, the University of Virginia Press published The Punitive Turn: New Approaches to Race and Incarceration (Charlottesville: University of Virginia Press, 2013), a volume Harold coedited with Deborah E. McDowell and Juan Battle. Her latest book is New Negro Politics in the Jim Crow South (Athens: University of Georgia Press, 2016).