"All for one, one for all--that is our motto, is it not?" The Three Musketeers (French: Les Trois Mousquetaires) is a historical adventure novel written in 1844 by French author Alexandre Dumas. It is in the swashbuckler genre, which has heroic, chivalrous swordsmen who fight for justice. Set between 1625 and 1628, it recounts the adventures of a young man named D’Artagnan. He is befri..