It is possible, though frankly improbable, that some may not be aware that The Glass Republic is a direct sequel to The City’s Son. Note well then this dire warning, herein may lie spoilers for those who have not as yet read book one. Proceed at your own peril. Pen’s life is all about secrets: the secret of the city’s spirits, deities and monsters her best friend Beth discovered, living just beyond the notice of modern Londoners; the secret of how she got the intricate scars that disfigure her so cruelly – and the most closely guarded secret of all: Parva, her mirror-sister, forged from her reflections in a school bathroom mirror. Pen’s reflected twin is the only girl who really understands her. Then Parva is abducted and Pen makes a terrible argain for the means to track her down. In London-Under-Glass looks are currency, and Pen’s scars make her a rare and valuable commodity. But some in the reflected city will do anything to keep Pen from the secret of what happened to the sister who shared her face. I hate Tom Pollock. There, I’ve finally said it. I’m sorry if this upsets you, but it’s true. He’s just...