"Calvert and Penn, or the rise of civil and religious liberty in America, as manifested in the colonization of Maryland and Pennsylvania" is a book that tells about an important period in the history of the United States of America. Author Brunz Mayer explores the founding and development of the Maryland and Pennsylvania colonies, revealing the principles of civil and religious freedom in them. The book reflects the struggle for human rights and freedom of conscience in the midst of religious conflicts and political tensions of that time. The author helps the reader better understand how exactly these colonies became a bright example of tolerance and democracy, and their contribution to the formation of the principles and values on which America was built. "Calvert and Penn, or the rise of civil and religious freedom in America, as manifested in the colonization of Maryland and Pennsylvania" is an interesting literary journey into the past, which will inspire the reader to think about the meaning of freedom, tolerance and human rights.