Born of the Night — Sherrilyn Kenyon

BORN OF FIRE
Awakening from a drugged sleep in a cold cell, the princess Kiara finds herself a prisoner of the merciless marauders who threaten her father's planetary kingdom. Miraculously, a rescuer appears, but behind his fearsome mask is the handsome face of a dark avenger whose outlaw touch sets her very soul aflame.

BORN OF DESIRE
They call him Nemesis. Once a renegade assassin, now a warrior-soldier sworn to protect the innocent from the ruthless mercenaries throughout the galaxies, he has many enemies. Besieged on every side, he knows he is a danger to the beauty he saves from certain death. But the lovely Kiara stirs a hungry longing in his battle-hardened heart, spurring him into a struggle that could restore his honor and heal the wounds of a beleaguered empire--or tear Kiara from his arms forever....