Rosslyn Chapel, eight miles south of Edinburgh, has captured the imagination of many in recent years. This extraordinary building, dating from the fifteenth century, has long been a place of pilgrimage for people with widely differing interests, whether historical, architectural or spiritual. P.L. Snow has for many years been gathering the stories that are represented by the numerous carvings inside and outside the chapel building. Many of the carvings, eroded by the years or damaged by vandalis...