Father Columba rides again This time he is on leave from his abbey in Pennsylvania to do a retreat on the Holy Isle of Iona, just off the west coast of Scotland. It is the tiny dot in the ocean where his namesake, Saint Columba, took refuge and built an abbey over a millennium and a half ago. While there, the new Columba is called upon to solve a murder mystery and unknowingly follows in the footsteps of his predecessor, who had to solve a similar mystery in the distant but not so misty past. At the turn of this millennium, in 2001, author James Baker discovered a journal in the archives of...