* El Dios Muerto o la Teología de la Libertad: In this book, Artigas argues that the traditional concept of God is dead, and that we must create a new understanding of the divine that is based on freedom.
* La Utopía de la Libertad: This book is about the utopian possibility of a free society. Artigas argues that freedom is not something that can be achieved once and for all, but rather something that must be constantly fought for and defended.
* El Ser y La Nada: This book is a philosophical exploration of the concepts of being and nothingness. Artigas argues that these concepts are not opposites, but rather complementary, and that they are necessary for each other.
* La Experiencia del Amor: In this book, Artigas explores the nature of love. He argues that love is a powerful force that can transform our lives and the world.
* El Sentido de la Vida: This book is about the meaning of life. Artigas argues that there is no one-size-fits-all answer to this question, but that each individual must find their own meaning in life.