Chris Townsend embarks on a 700-mile walk along the spine of Scotland, the line of high ground where fallen rain runs either west to the Atlantic or east to the North Sea. Walking before the Independence Referendum of 2014, and writing after the EU Referendum of 2016, he reflects on: nature and history, conservation and rewilding, land use and literature, and change in a time of limitless potential for both better and worse.
