Mappa Mundi and Chained Library exhibition The Mappa Mundi & Chained Library Exhibition is open Monday - Saturday, 10 am - 5pm (last admission 4.30 pm) Explore Hereford's famous medieval map and discover how scholars interpreted the world over 700 years ago, displayed alongside 229 illuminated manuscripts and over 1,200 early printed books. The exhibition is closed on Sundays, Good Friday, Christmas Day, Boxing Day and New Year’s Day. PRICES Adult £7.50 Adult (with Gift Aid) £8.50 Students £6 Children (8 - 16 years) £2 Children (under 8 years) Free Advanced booking is not required unless you are coming in a large group Manage Cookie Preferences