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Narrative or storytelling serves as the core theme that permeates Mary Shelley's literary work. Her masterpiece "Frankenstein" exemplifies this with its masterful weaving of fantastical elements into a vivid narrative. Shelley's literary prowess extends to her other acclaimed works, such as "The Last Man" and "Mathilda," where she continues to captivate readers with compelling narratives that explore various societal and existential themes.