Question: The village which was a one of the 14 conservation areas of local government district in Hertfordshire was also mentioned in which book? 
Sentence (from "Aldenham"): This secluded little village has eight pre-19th century buildings that are listed buildings and the parish itself is largely unchanged, though buildings have been rebuilt, since Saxon times when the majority of the land was owned by the abbots of Westminster Abbey.
Relevant evidence: No