John Marsden follows the course of the sea-road of the early Celtic saints from Ireland to the western coast and isles of Scotland. He explores the spiritual tradition of the 'white martyrdom of exile for Christ' as it was lived out by these voyager-visionaries against the land and seascapes of the Hebrides. From Columba onwards to Ciaran, Cormac, Brendan and Ronan, those who spread Irish Christianity into Scotland left traces throughout the landscape...