Watchmen, written by Alan Moore and illustrated by Dave Gibbons, is a groundbreaking alternate history graphic novel that redefined the superhero genre. Set in an alternate version of the United States during the Cold War, the story follows a group of retired superheroes investigating the murder of one of their own. Watchmen explores complex themes such as power, morality, and the nature of heroism. With its intricate plot, deep character development, and thought-provoking narrative, Watchmen has become a classic in the world of graphic novels.