John G. O'Dwyer has walked the ancient pilgrim routes of Ireland, from Slemish Mountain in the northeast, where Christianity may have had its first dawning in Ireland, to Skellig Michael in the southwest, where the known world once ended. Each pilgrim walk description has directions, the degree of difficulty, estimated time, and maps. The paths are varied and suitable for all, from casual ramblers to committed hillwalkers. In each route description the author's feelings and experiences are recounted, the entertaining and insightful characters met along the way described.
More travelogue than hiking guide. The maps are sometimes better than anything available from official sources, but it's severely lacking in information on the actual sacred sites. The entirety of the Skellig Michael route can be skipped for uninformed macho railing against modern safety measures.