"Our Lady of the Pillar" is a novel by the famous Portuguese writer Ash de Queiroz, who is known for his sharp social criticism and mastery of exposition. In this book, the author tells the story of the miller Joaquim Barbosa, who, having decided to disguise himself, devoted himself to the service of God and the Mother of God. This determination leads Joaquim to create an entire school for the children, where he tries to teach them righteousness and honesty, but is opposed by the local clergy, which leads to tragic events. "Our Lady of the Pillar" is a deep and thought-provoking book that captivates the reader with its tense atmosphere and philosophical undertones.