W. Walters specializes in African American Literature, in the larger context of diaspora studies. She is the author of Archives of the Black Atlantic: Reading Between Literature and History (Routledge 2013) and At Home in Diaspora: Black International Writing (U Minnesota 2005). In 2001-2002 she was a non-resident fellow at the W.E.B. Du Bois Institute for Afro-American Research at Harvard University.
She has published articles in the journals Callaloo, American Literature, African American Review, Novel, Critical Arts, and MELUS (Multi-Ethnic Literature of the U.S.). She has published chapters in the books Borders, Exiles, Diasporas, and Diasporic Africa: A Reader, as well as entries in the Oxford Companion to African American Literature, Black Writers, and The Critical Response to Chester Himes.