The Three Musketeers is a novel by Alexandre Dumas.
In genre, The Three Musketeers is primarily a historical nov.
D\'Artagnan is not one of the Musketeers of the title; those being his friends Athos, Porthos and Aramis, inseparable friends who live by the motto "all for one, one for all", a motto which is first put forth by d\'Artagnan.
Set in the 17th century, it recounts the adventures of a young man named d\'Artagnan after he leaves home to travel to Paris, to join the Musketeers of the Guard.
The Three Musketeers is a novel by Alexandre Dumas