Thirteen-year-old Jessamine Grace and her mother make a living as sham
spiritualists--until they discover that Jess is a mesmerist and that she
really can talk to the dead. Soon she is plunged into the dark world
of Victorian London's supernatural underbelly and learns that the city
is under attack by ghouls, monsters, and spirit summoners. Can Jess
fight these powerful forces? And will the group of strange children with
mysterious powers she befriends be able to help? As shy, proper Jess
transforms into a brave warrior, she uncovers terrifying truths about
the hidden battle between good and evil, about her family, and about
herself.