Amberlight Series by Sylvia Kelso

Tellurith, the head of a great ruling House in Amberlight, inexplicably finds a battered outlander left for dead in the streets of the legendary city -- and an oracle reveals that he must not die. The man, although stripped of his memory, may know of a threat to Amberlight's unique possession: the motherlodes of the qherrique, the pearl-rock that gives their world its most powerful tool... moreTellurith, the head of a great ruling House in Amberlight, inexplicably finds a battered outlander left for dead in the streets of the legendary city -- and an oracle reveals that he must not die. The man, although stripped of his memory, may know of a threat to Amberlight's unique possession: the motherlodes of the qherrique, the pearl-rock that gives their world its most powerful tool. Tangled in intrigue, insurrection and brutal warfare, it will take a cataclysmic upheaval for Tellurith and the stranger to begin to grasp the more-than-human mystery that brought them together. less

The Stunning Sequel to the Highly Acclaimed Amberlight Fighting doubt and convention, beset with great challenge and facing profound change, Tellurith leads her displaced House to a new beginning and a different life in Iskardaa life that includes men and women as equals... moreThe Stunning Sequel to the Highly Acclaimed Amberlight Fighting doubt and convention, beset with great challenge and facing profound change, Tellurith leads her displaced House to a new beginning and a different life in Iskardaa life that includes men and women as equals. But the traditionalist Iskardans are outraged by Telluriths policies and appalled by her love for two husbands: Alkhes the rough, dark Outlander who brought Amberlight its doomand golden Sarth, epitome of the urbane men of the Amberlight Towers. To achieve Telluriths dream, both must re-shape their lives. To preserve the dream, all three must journey to Dhasdeins imperial capital of Riversend and face deadly menace and perilous machination. less

After their shattering departure from Amberlight, Telluir House has begun to rebuild in the mountain village of Iskarda – but even there, River politics remain a threat. When Tellurith and her consort receive the precious yet harrowing gift of a possible new form of the qherrique, only one solution offers protection for Iskarda and the qherrique both: leave Iskarda. Find the River’s Source.