No marks or writing observed in text. Binding tight and square. Gently read. ................. Perhap's England's most successful tourist attraction, Oxford's role as a centre of Catholic pilgrimage may be a little startling. But these five walks show that is exactly what it is. Dennis Chjiles was a mataure student at Oxford, graduating from Worcester College in 1969. After lecturing in econimics in London for seven years, he returned to Plater College, of which he as principal from 1977 to 1991. In retirement he has become an active member of the Oxford Guild of Guide Lecturers, of which he is now Training Officer. As a Blue Badge guide of Southern Tourist Board, he regularly conducts parties around the colleges.