Here is a list of books published in 2009 that deal with Byzantine History (links go to their page on Amazon.com):
Byzantine Slavery and the Mediterranean World
The Grand Strategy of the Byzantine Empire
Becoming Byzantine: Children and Childhood in Byzantium
Church and Society in Late Byzantium
Image Making in Byzantium, Sasanian Persia and the Early Muslim World
The Christian Parthenon: Classicism and Pilgrimage in Byzantine Athens
Re-thinking Dionysius the Areopagite
Byzantium Between the Ottomans and the Latins: Politics and Society in the Late Empire
The Jaharis Gospel Lectionary: The Story of a Byzantine Book
The Construction of Authority in Ancient Rome and Byzantium: The Rhetoric of Empire
Studies on the Cult of Relics in Byzantium up to 1204
Tilling the Hateful Earth: Agricultural Production and Trade in the Late Antique East
Enamels, Crowns, Relics and Icons
The Chronicle of Morea: Historiography in Crusader Greece
The Grand Turk: Sultan Mehmet II-Conqueror of Constantinople and Master of an Empire
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