"Lazarillo" is a classic Spanish novel, officially titled "La vida de Lazarillo de Tormes y de sus fortunas y adversidades." Written in the 16th century, it tells the story of Lazarillo, a young boy who becomes a guide for various blind and greedy masters. Through his experiences, the novel explores themes of poverty, social class, and survival in a corrupt society. The book is considered one of the first examples of the picaresque genre, which features a clever and resourceful protagonist. "Lazarillo" has influenced literature and culture, highlighting the struggles of the lower class and the complexities of human nature.