The Tales of Aeron Series by Patricia Kennealy

WHEN EARTH MEETS KELTIA WILL STAR EMPIRES FALL? When lore became legend on ancient Earth and the powers of magic waned, the Kelts and their allies fled the planet for the freedom of distant star realms. But the stars were home to dangerous foes, and millenia later, the worlds of Keltia still maintained uneasy truce with two enemy empires -the Imperium and the Phalanx... moreWHEN EARTH MEETS KELTIA WILL STAR EMPIRES FALL? When lore became legend on ancient Earth and the powers of magic waned, the Kelts and their allies fled the planet for the freedom of distant star realms. But the stars were home to dangerous foes, and millenia later, the worlds of Keltia still maintained uneasy truce with two enemy empires -the Imperium and the Phalanx. Then, at the start of the reign of Aeron, mistress of high magic and queen of all the Kelts, an Earthship made contact with her long-fled children. And while Earth and Keltia reached out to form alliance, the star fleets of the enemy mobilized for final, devastating war.... less

Aeron, Queen of the Kelts, has fled to the stars on a desperate mission to find the fabled Thirteen Treasures of King Arthur, hidden from his Keltic descendants for fifteen hundred years... moreAeron, Queen of the Kelts, has fled to the stars on a desperate mission to find the fabled Thirteen Treasures of King Arthur, hidden from his Keltic descendants for fifteen hundred years. Her search will lead from the depths of space, where worlds are born, to the heart of an ancient enemy's stronghold and on to a trial of courage and magic that even the Queen of the Kelts may not survive! And while Aeron pursues her destiny among the stars, all the forces of Keltia are mobilizing for a war that could set the very worlds ablaze - a war that can only be won if Aeron returns triumphant from her doom-shadowed quest. less

The Silver Branch (Keltiad)