A sweeping historical novel set in Constantinople at the time of the CrusadesConstantinople, 1179Princess Agnes of France is thirteen when she marries the heir to Byzantium, and empire unmatched in wealth, power - and glamour.But once she sets foot in the Queen of Cities, a decadent world where dazzling luxury masks unspeakable cruelty, she realises that her husband has mighty enemies and treacher...