record for hiking a trail which runs the length of mainland Scotland

One reason for scepticism had been the psalter's absence from an early 14th Century inventory of the cathedral's manuscripts, a list that does include about 75 other volumes that had once belonged to Becket, along with the shelf numbers where they were kept in a passage way off the cloisters. (It's still a storage area today, de Hamel notes, where vergers keep their bicycles and gardeners their watering cans.)