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The Vicomte of Bragelonne is the third and final novel in Alexandre Dumas' d'Artagnan series, following The Three Musketeers and Twenty Years After. It chronicles the adventures of d'Artagnan and his fellow musketeers as they navigate the treacherous political landscape of 17th-century France. The novel introduces new characters, including the titular Vicomte of Bragelonne, and explores themes of love, loyalty, and betrayal.