In the heart of India's Deccan Plateau lies the ruined city of Firuzabad, the royal palace and second capital of Sultan Firuz Shah Bahmani (r.1397-1422). Built in the early years of the fifteenth century, the city displays a remarkably unified conception of Indo-Muslim architecture. But Firuzabad slipped into oblivion shortly after the death of its patron, and has since remained virtually unnot…