Barter Books, Alnwick Station, Northumberland.
(Home of “Keep Calm and Carry On”).
Barter Books is a second-hand bookshop located in the historic English market town of Alnwick, Northumberland.
It has over 200,000 visitors a year, 40% of whom are from outside the
area, and is one of the largest second-hand bookstores in Europe. It is
considered a local tourist attraction and has been described as “the
British Library of second-hand bookshops.