Guardian by Robin Helm
Approx. 85,550 words.
Published on September 19, 2011.
The powerful and imposing Xander/Darcy, chief of all guardian angels, has protected exceptional humans from demonic forces over the course of ten millenia. With his new assignment, the veil dividing the physical and spiritual planes is drawn aside to reveal warfare on an unprecedented scale as his charge, Elizabeth Bennet, develops her supernatural gifts and her guardian discovers his emotions.