Boston Metaphysical Society: The Spirit of Rebellion

Even after saving Boston from The Shifter, Caitlin is thrown out of the house by her mother for working with Samuel and Granville. When she goes to Samuel for help, he takes her to the boarding house of an old friend in Philadelphia. There she discovers a ghost, the beginning of a rebellion, and perhaps her destiny.This is the second standalone sequel to the Boston Metaphysical Society series about an ex-Pinkerton detective, a spirit photographer, and a genius scientist who battle supernatural forces in late 1800s Boston.
(Note: This story is included in Vol. 2.)