This work investigates the internal administrative and political decision-making processes of the British government during the critical decade following the First World War. Thomas C. Jones, serving as a high-level civil servant, provides a firsthand account of the bureaucratic machinery and policy shifts that defined the era. The text utilizes his personal records to offer a granular view of the interactions between cabinet ministers and the permanent civil service. By documenting these private observations, the book argues that the stability of the British state relied heavily on the continuity provided by non-elected officials during periods of significant political volatility.

Historians and political scientists frequently cite this diary as a foundational primary source for understanding the evolution of the modern British civil service. Readers often note the high density of the prose, which requires a working knowledge of early 20th-century British political figures to fully appreciate the context.