This biography investigates the complex character and professional life of Samuel Pepys, the 17th-century naval administrator and diarist. Richard Lawrence Ollard, an established historian of the Stuart period, utilizes Pepys's own extensive diaries and official naval records to construct a comprehensive portrait of his public service and private habits. The work argues that Pepys was a pivotal figure in the professionalization of the Royal Navy, balancing his personal ambitions with the volatile political landscape of Restoration England.

Historians and scholars frequently cite this work for its balanced approach to Pepys's multifaceted career. Readers often note the academic density of the prose, which provides a thorough examination of the Restoration era for those interested in administrative history.