This reference work provides a comprehensive cartographic survey of the geographical area extending twenty miles from the center of London. The publication serves as a practical tool for navigation and regional planning, utilizing detailed mapping data to delineate roads, landmarks, and administrative boundaries within the specified radius. It functions as a standard reference for travelers, historians, and researchers interested in the spatial development of the London metropolitan periphery.

The work functions as a standard, utilitarian cartographic resource typical of the Collins map series, providing clear and accessible spatial data for the specified region. Its utility is primarily directed toward those requiring a fixed, printed reference for regional navigation and geographical study.