This book brings together papers arising from the 24th Spring Symposium of Byzantine Studies held in Cambridge in 1990. It represents a comprehensive investigation of Byzantine diplomacy from the emergence of the empire in late antiquity to its final throes as it fell to the Ottoman Turks. This is not just a narrow study of political relations, but a broad sweep from Italy to the steppes of Central Asia, from the imperial court to the marriage bed, from the scriptorium to the barracks. The book also includes a mysterious communication from a long-dead emperor.