The Furthest Station by Ben Aaronovitch

In this captivating novella, the protagonist, Peter Grant, a detective and apprentice wizard, is tasked with investigating a series of ghostly encounters on the London Underground. As he delves deeper into the mystery, he uncovers a plot that threatens the very fabric of the magical and mundane worlds. With the help of his trusty team, including the ever-resourceful Abigail and the enigmatic Nightingale, Peter must navigate the complexities of spectral phenomena and human emotions to restore order and ensure the safety of the city's commuters.

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