"Steelheart" is a young adult science fiction novel written by Brandon Sanderson. It is set in a dystopian world where people known as Epics possess superhuman abilities, but they often use their powers for evil. The story follows a young man named David Charleston, who seeks revenge against the Epic known as Steelheart, responsible for his father's death. David joins a group of rebels called the Reckoners, who aim to take down the Epics and restore hope to humanity. The novel explores themes of power, morality, and the struggle against tyranny, as David learns about courage and the importance of teamwork in their fight against oppression.