This work links the notion of "the spirit of Vatican II" with Amoris Laetitia and it argues that a hermeneutics of interpretation of the Second Vatican Council which focuses on following "the spirit of the Council" is the hermeneutics which can be, and in the future most likely will be the predominant way of interpreting and implementing of Amoris Laetitia. This book aims to provide a contribution to this hotly debated topic in the field of Catholic theology.