Harris, Charlaine. Gunnie Rose #3

"Picking up right where A Longer Fall left off, this thrilling third installment follows Lizbeth Rose as she takes on one of her most dangerous missions yet: rescuing her estranged partner, Prince Eli, from the Holy Russian Empire. Once in San Diego, Lizbeth is going to have to rely upon her sister Felicia, and her growing Grigori powers to navigate her way through this strange new world of royalty and deception in order to get Eli freed from jail where he's being held for murder."--Amazon