Manhattan Moon The Shape-Shifter, No. 3 by Kathryn Smoot Caldwell

Nothing in Shelby Carson's life is ordinary. Not only is she an attending psychiatrist in a hectic ER, but she's also a Wrasa, a shape-shifter who leads a secret existence.To make things even more complicated, she has feelings for Nyla Rozakis, a human nurse.Even though the Wrasa forbid relationships with humans, Shelby is determined to pursue Nyla. Things seem pretty hopeless for them, but on Halloween, during a full moon, anything can happen...