The book "History of the Reformation. Volume 1" by Thomas M. Lindsay is a significant historical work that reveals the key aspects of the religious reformation in Europe of the 16th century. The book examines in detail the beginnings of the Reformation movement, the role of prominent figures of the time, such as Martin Luther, John Calvin, and others, as well as the impact of the Reformation on the culture, politics, and society of the period. The author describes the complex processes of changes in the church structure, the struggle for religious freedom, conflicts and victories of the reformers. This book is not only a documentary sketch of historical events, but also an in-depth analysis of the spiritual, social and political transformations initiated by the Reformation.