The Empire Trilogy Series by Raymond E. Feist, Janny Wurts

Magic and murder engulf the realm of Kelewan.  Fierce warlords ignite a bitter blood feud to enslave the empire of Tsuranuanni.  While in the opulent Imperial courts, assassins and spy-master plot cunning and devious intrigues against the rightful heir.  Now Mara, a young, untested Ruling lady, is called upon to lead her people in a heroic struggle for survival.  But first she must rally an army of rebel warriors, form a pact with the alien cho-ja, and marry the son of a hated enemy... moreMagic and murder engulf the realm of Kelewan.  Fierce warlords ignite a bitter blood feud to enslave the empire of Tsuranuanni.  While in the opulent Imperial courts, assassins and spy-master plot cunning and devious intrigues against the rightful heir.  Now Mara, a young, untested Ruling lady, is called upon to lead her people in a heroic struggle for survival.  But first she must rally an army of rebel warriors, form a pact with the alien cho-ja, and marry the son of a hated enemy.  Only then can Mara face her most dangerous foe of all--in his own impregnable stronghold.  An epic tale of adventure and intrigue.  Daughter of the Empire is fantasy of the highest order by two of the most talented writers in the field today. less

Second in Feist & Wurts' wonderful epic trilogy -- one of the most successful fantasy collaborations of all time THE EMPIRE TRILOGY: BOOK II Nobody knows how to play the Game of the Council better than Mara of the Acoma. But when you're surrounded by deadly rivals intent on toppling you at every turn, you need to be the best simply to survive!

The world on the other side of the rift:  Kelewan, a land seething with political intrigue and deadly conspiracies.  Following the opulent panoply of Daughter Of The Empire and the dazzling pageantry of Servant Of The Empire comes the resounding conclusion to the Empire trilogy.Besieged by spies and rival houses, stalked by a secret and merciless brotherhood of assassins, the brilliant Lady Mara of the Acoma faces the most deadly challenge she has ever known... moreThe world on the other side of the rift:  Kelewan, a land seething with political intrigue and deadly conspiracies.  Following the opulent panoply of Daughter Of The Empire and the dazzling pageantry of Servant Of The Empire comes the resounding conclusion to the Empire trilogy.Besieged by spies and rival houses, stalked by a secret and merciless brotherhood of assassins, the brilliant Lady Mara of the Acoma faces the most deadly challenge she has ever known.  The fearsome Black Robes see Mara as the ultimate threat to their ancient power.  In search of allies who will join her against them, Mara must travel beyond civilization's borders and even into the hives of the alien cho-ja.  As those near and dear to her fall victim to many enemies, Mara cries out for vengeance.  Drawing on all of her courage and guile she prepares to fight her greatest battle of all--for her life, her home, and the Empire itself. less

At age 17, Mara's ceremonial pledge of servantship to the goddess Lashima is interrupted by the news that her father and brother have been killed in battle on Trigia, the world through the rift... moreAt age 17, Mara's ceremonial pledge of servantship to the goddess Lashima is interrupted by the news that her father and brother have been killed in battle on Trigia, the world through the rift.Now Ruling Lady of the Acoma, Mara finds that not only are her family's ancient enemies, the Minwanabi, responsible for the deaths of her loved ones, but her military forces have been decimated by the betrayal and House Acoma is now vulnerable to complete destruction…The bundle includes Daughter of the Empire (1), Servant of the Empire (2), and Mistress of the Empire (3). less