Nicholas Nickleby by Charles Dickens is a coming-of-age novel that follows the struggles of young Nicholas Nickleby after his father dies, leaving the family in poverty. Nicholas, his mother, and his sister Kate are forced to rely on the help of his cruel and greedy uncle, Ralph Nickleby. Nicholas is sent to work as a teacher at the abusive Dotheboys Hall, but he eventually escapes and sets out to build an honest life. Along the way, he defends the vulnerable, exposes corruption, and ultimately finds love and success. Meanwhile, his uncle's schemes unravel, leading to his downfall. The novel highlights social injustices, especially the mistreatment of children and the poor, while celebrating kindness, resilience, and moral integrity. It's known for its vivid characters, humor, and strong sense of justice.