"Apology of the Augsburg Confession" is a well-known work of Philip Melanchthon, one of the great reformers of the 16th century. In this book, within the framework of the Protestant theological tradition, the author defends the principles of the Christian faith, formulates the main dogmas and sets out the key views on religion and spirituality. With seriousness and argumentation, Melanchthon examines the fundamental questions of faith and Christian doctrine, highlighting the main positions of Protestantism. This work is not only a spiritual legacy of the reformation, but also a model of rational and effective defense of faith against confrontations and misunderstandings.