"The Man in the Iron Mask" is a historical novel written by the French author Alexandre Dumas. It was first published in 1847 and is the third and final installment in the d'Artagnan Romances series, which includes "The Three Musketeers" and "Twenty Years After." The novel is set in the 17th century and features the return of the famous musketeers: d'Artagnan, Athos, Porthos, and Aramis...