This biography by John Buchan provides a nuanced look at the life of Oliver Cromwell, seeking to balance popular perceptions of the controversial English soldier and statesman. Buchan starts with Cromwell's origins, detailing his childhood and youth to set the stage. As the biography unfolds, Buchan argues that Cromwell developed into a military leader and strategist on a grand scale, showcasing talents beyond just tactical prowess. Buchan contends that Cromwell's evolving leadership and statesmanship during this period of his military career should be considered when assessing his place among history's great generals and captains. This biography aims to provide a full portrait of Cromwell by starting with his early life and demonstrating his growth into a multifaceted leader.