Don Quixote by Miguel de Cervantes is a classic Spanish novel that follows the adventures of Alonso Quixano, a man who, inspired by chivalric romances, declares himself a knight-errant named Don Quixote. Accompanied by his loyal squire, Sancho Panza, he embarks on comical and often misguided quests, mistaking windmills for giants and inns for castles. The novel explores themes of idealism, reality, and the power of imagination, blending humor with profound social and philosophical insights.