Flame in Byzantium
By Chelsea Quinn Yarbro, 1986
Series: Olivia Series

First in the Olivia series. "Atta Olivia Clemens, forced to leave Rome, journeys to the Constantinople of Justinian and discovers how much she has lost." (summary from the Chelsea Quinn Yarbro site)

Paperback Info: ISBN 0812528042, Tor Books (unavailable)
Hardcover Info: Tor Books (out of print)

More by Chelsea Quinn Yarbro: The Saint-Germain Novels, Sisters of the Night