Guardian: The Guardian Trilogy, Book 1

The powerful and imposing Xander, Chief of all Guardian angels, has protected exceptional humans from demonic forces over the course of ten millennia without losing a single battle. In 1989, he receives an unusual assignment which will forever change his ordered existence and alter the course of human history. Will he lose the battle for his own heart while guarding supernaturally gifted Elizabeth Bennet from the evil which surrounds her? Will he be strong enough to resist her as she grows from a precocious child into a beautiful, intelligent woman? The veil dividing the physical and spiritual planes is drawn aside to reveal warfare on an unprecedented scale as Elizabeth develops her gifts and her guardian discovers his emotions.