Meg Pickel's older brother, Orion, has disappeared. One night, she steals out to look for him, and makes two surprising discoveries: She stumbles upon a s?ance that she suspects involves Orion, and she meets the author Charles Dickens, also unable to sleep, and roaming the London streets. He is a customer of Meg's father, who owns a print shop, and a family friend. Mr. Dickens fears that the children of London aren't safe, and is trying to solve the...