** FROM THE GLOBALLY BESTSELLING AUTHOR OF CAST IRON, COFFIN ROAD AND THE BLACKHOUSE ** ** AN EXPLOSIVE NEW THRILLER SET IN THE OUTER HEBRIDES** 'Peter May is an author I'd follow to the ends of the earth' New York Times Husband and wife Niamh and Ruairidh Macfarlane co-own Ranish Tweed: a Hebridean company that weaves its own special variety of Harris cloth, which has become a