The Iether Continuum Trilogy

Volume 1: Hope
By harnessing the power of the iether, the essence of the created world, the human empire has prospered for five hundred years. Yet when a young military agent named Wess Anthry discovers an unusual prisoner, he stumbles across a dark secret that threatens their very existence. Who is the young girl with iether marks on her right arm? Can one so weak stand against humanity's oldest enemy?
Volume 2: Love
The empire is at peace, but Wess grows only more troubled. No one can explain why he hears the song of the iether, and no one understands why he cannot accept the affection Wren is eager to show him. Do the answers lie in uncovering the lost knowledge of the iether touched Ysile Mezrith?
Volume 3: Joy
A pleasant summer is shattered by reports from the south. An immense shadow, darker than night, encroaches on the empire, blotting out the sun as it approaches. In the nearby kobay lands, Wess finds a mysterious girl on the run, but she refuses to say where she comes from or why she is afraid. As the darkness tightens the noose, it seems no one can escape its insidious plans.