"The Gold-Bug" is a short story written by Edgar Allan Poe, first published in 1843. It follows the adventures of a man named William Legrand, who discovers a mysterious gold bug while exploring Sullivan's Island in South Carolina. The story combines elements of mystery and treasure hunting, as Legrand deciphers a cryptic message that leads him to hidden pirate treasure. The narrative is notable for its use of cryptography and the theme of obsession. Legrand's friend, who narrates the story, helps him solve the puzzle, showcasing the importance of friendship and collaboration in overcoming challenges.