The Cambridge, Ely and King's Lynn Road: The Great Marsh Highway by Charles G. Harper is an important scholarly study of the history and significance of the ancient road that connected England's great cities. In his book, Harper examines not only the technical aspects of the construction of the road, but also talks about the cultural, economic and social consequences of this road for the development of the region. The author examines in detail the great Fenland bog through which the road passed and the effect it had on the transport route. The book contains illustrations and cartographic materials that help to better understand the history and context of the researched topic. Cambridge, Ely and King's Lynn Road is an important source of knowledge for anyone interested in the history and culture of the development of the road infrastructure in Great Britain.