"The Lord Protector: Religion and Politics in the Life of Oliver Cromwell" is a textbook by Robert S. Paul that delves into the biography, historical context, and significance of Oliver Cromwell, a key figure in British history. Published by Lutterworth Press in paperback format with 438 pages, the book explores Cromwell's role as a religious and political leader, offering insights into local, regional, religious, and political history of Britain. With a focus on Cromwell's impact during his time as Lord Protector, this non-fiction work provides a comprehensive study for adults interested in British historical figures and events.