The Three Musketeers (The d'Artagnan Romances vol. 1‪)‬

One of the most celebrated and popular historical romances ever written, The Three Musketeers tell the story of the early adventures of the young Gascon gentleman d’Artagnan and his three friends from the regiment of the King’s Musketeers: Athos, Porthos, and Aramis.
Under the watchful eye of their patron M. de Treville, the four defend the honour of the regiment against the guards of the Cardinal Richelieu and the honor of the queen against the machinations of the Cardinal himself as the power struggles of 17th-century France are vividly played out in the background.
But their most dangerous encounter is with the Cardinal’s spy: Milady, one of literature’s most memorable female villains.