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Description from Goodreads:
Magnus Bane leverages his alliances with Downworlders and Shadowhunters on a venture to Victorian London. One of ten adventures in The Bane Chronicles.
When immortal warlock Magnus Bane attends preliminary peace talks between the Shadowhunters and the Downworlders in Victorian London, he is charmed by two very different people: the vampire Camille Belcourt and the young Shadowhunter, Edmund Herondale. Will winning hearts mean choosing sides?
This standalone e-only short story illuminates the life of the enigmatic Magnus Bane, whose alluring personality populates the pages of the #1New York Times bestselling series, The Mortal Instruments and The Infernal Devices series. This story in The Bane Chronicles, Vampires, Scones, and Edmund Herondale, is written by Sarah Rees Brennan and Cassandra Clare.