The Royal Academy of Arts is celebrating the centenary of The Twentieth Century Society, which campaigns for the protection of significant buildings, with an exhibition of 100 buildings; one for each year of the Society's work. Entrance to Block D, Bletchley Park was selected for the year 1943. The exhibition is on until February 1st, 2015 and the book is available to buy from the publisher, Batsford (and other retailers).