This volume investigates how the British Broadcasting Corporation navigated the structural, organizational, and political challenges imposed by the Second World War between 1939 and 1945. Asa Briggs, a preeminent historian of British broadcasting, utilizes extensive archival access to document the BBC's evolution during a period of national crisis. The text argues that the corporation's role was not merely domestic but served as a critical instrument of political and military strategy both within and beyond the borders of the United Kingdom.

Scholars and historians regard this work as a foundational text for understanding the development of public service broadcasting in the United Kingdom. Readers frequently note the academic density of the prose, which provides a comprehensive and meticulously researched account of the BBC's wartime operations.