The sun sword, book 1 : The broken crown
Michelle West1997

Tor Leonne - the heart of the Dominion of Annagar, where the games of state are about to become a matter of life or death - and where those who seek to seize the crown will be forced to league with a treacherously cunning ally..Tor Leonne, ancestral seat of power, where Serra Diora Maria di'Marano - the most sought-after beauty in the land, a woman betrayed by all she holds dear - may strike the first blow to change the future of Dominion and Empire alike.