City of Bones is the first book in Cassandra Clare's bestselling urban fantasy series, The Mortal Instruments. Set in a world of magic and danger, the story follows Clary Fray as she discovers a hidden world of demons and Shadowhunters, warriors dedicated to protecting humanity
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Judith Lewis, better known by her pen name Cassandra Clare, is an American author of young adult fiction, best known for her bestselling series The Mortal Instruments.