Empires and Exchanges in Eurasian Late Antiquity: Rome, China, Iran, and the Steppe, ca. 250 -750 CE, with Nicola Di Cosmo (Cambridge University Press, 2018).
Dumbarton Oaks Papers 71(2018), co- editor with E. Boeck (Washington, D.C.: Dumbarton Oaks, 2017)
Dumbarton Oaks Papers 70 (2017), co- editor with M. Mullett (Washington, D.C.: Dumbarton Oaks, 2017).
The Cambridge Companion to the Age of Attila, ed. M. Maas (Cambridge University Pres, 2015).
The Centro at Fifty. The History of the Intercollegiate Center for Classical Studies, 1965-2015, ed. M. T. Boatwright, M. Maas, and C. Smith (Durham NC: Centro Press, 2015).
Readings in Late Antiquity. A Sourcebook. 2nd, expanded edition (London and New York: Routledge, 2010).
Violence in Late Antiquity. Perceptions and Practice (Aldershot: Ashgate Press, 2006) co editor.
The Cambridge Companion to the Age of Justinian, ed. M. Maas. (Cambridge University Press, 2005).
Exegesis and Empire in the Early Byzantine Mediterranean. Junillus Africanus and the Instituta Regularia Divinae Legis = Studien und Texte zu Antike und Christentum vol.17 (Tübingen: Mohr Siebeck, 2003).
The West. Encounters and Transformations, with Brian Levack, Edward Muir and Meredith Veldman (Addison Wesley Longman), (2003); Condensed Edition (2003)
Readings in Late Antiquity: a Sourcebook (Routledge, 2000).
John Lydus and the Roman Past. Antiquarianism and Politics in the Age of Justinian. (London: Routledge, 1992).