Sasse, Gwendolyn; Hughes, James, eds. (2002). Ethnicity and Territory in the Former Soviet Union: Regions in Conflict. Cass series in regional and federal studies. London, Portland, Oregon: Frank Cass. ISBN9780714682105.
with Hughes, James; Gordon, Claire E. (2004). Europeanization and Regionalization in the EU's Enlargement to Central and Eastern Europe: The Myth of Conditionality. Series: One Europe or several?. Houndmills, Basingstoke, Hampshire New York: Palgrave Macmillan. ISBN9781403939876.
— (2007). The Crimea Question: Identity, Transition, and Conflict. Harvard series in Ukrainian studies. Cambridge, Massachusetts: Distributed by Harvard University Press for the Harvard Ukrainian Research Institute. ISBN9781932650129.
— (2022). Der Krieg gegen die Ukraine. Hintergründe, Ereignisse, Folgen. C. H. Beck Wissen (in German) (2nd ed.). Munich: C. H. Beck. ISBN978-3-406-79305-9.