This volume represents an important tool for getting to know every aspect of Leonardo da Vinci's work: his pictorical tecnique, his scientific and technological investigation, his study on anatomy, his Codices, and every suggestion produced by his genius. All works and paintings are accompanied by descriptive and technical sheets, and ample space has been given to images and details, to the updated report on his most controversial works, to those of recent critical acceptance, and to the masterpieces that have animated the international debate such as The Encarnate Angel, the Salvator Mundi, and La Bella Principessa (Portrait of Bianca Sforza).