She is the author of A Freedom Bought with Blood: African American War Literature, the Civil War-World War II (2007). Her recent work on race and the environment includes “‘Buried in Guano’: Race, Labor and Sustainability,” in American Literary History(2012); and “Ecomelancholia: Slavery, War, and Black Ecological Imaginings” in Environmental Criticism for the 21st Century (2011). She also serves on the board of Resilience: A Journal of the Environmental Humanities.