The Posts of Sevenoaks in Kent
Published: Tenterden Kent, 
Stock code: 692
4to., First Edition, with very numerous illustrations, facsimiles and maps in the text, and endpaper maps; cloth, gilt back, a mint copy in the dustwrapper.
A detailed study concentrating on operational necessity and examining how national policies were adapted and carried out locally. The work covers the period from 1085 to the mid-1980s and each chapter can be read separately as a vignette of its period.