Question: How long is the footpath devised by the author of the book which devotes an entire chapter to the Maiden Moor?
Sentence (from "White Rose Walk"): The White Rose Walk, a 35-mile / 56 km trail located in North Yorkshire, England, was devised in 1968 by the Yorkshire Wayfarers, It starts at the Kilburn White Horse (National Grid Ref SE 514 813) and is completed by touching the trig point on top of Roseberry Topping (NZ 579 126).
Relevant evidence: No