BBC.中世纪彩饰手抄本

　　Art critic Andrew Graham-Dixon visits a new exhibition at the Fitzwilliam Museum, Cambridge, which contains a treasure trove of the world's most important illuminated manuscripts. Germaine Greer joins the modern-day illustrator Quentin Blake to consider the religious and political power of these beautiful medieval masterpieces, and to assess their place in the history of art and book production.