"The Disputation of Dr. Martin Luther on the Power and Efficacy of Indulgences" is a work that changed the course of Christian history. The protagonist in this dispute was Martin Luther, a famous reformer and leader of the Protestant Reformation. In his book aimed at the general public, Luther examines the essence of indulgences, revealing their contradictions and shortcomings in the context of the Christian faith. The author expresses his opinion that human salvation is possible only through faith and God's mercy, and not through the purchase of indulgences. This book is an essential document for anyone interested in the history of religion and Christian doctrine.