Les Misérables is a novel by Victor Hugo that focuses on the life of Jean Valjean, an ex-convict struggling to redeem himself. It examines the nature of good and evil, delving into French history, politics, moral philosophy, law, and the nature of love. Published in 1862, the novel helped make Hugo the most successful writer of his day. Now, more than 150 years later, the book and its many adaptations continue to resonate with the public. What did critics first think of it? Discuss