Plus, the most lovely book store ever:

To find out more about Barter Books, visit http://www.barterbooks.co.uk to download the ‘Keep Calm’ iphone app visit http://bit.ly/keepcalmapp

A short film that tells the story behind the ‘Keep Calm and Carry On’ poster. Its origins at the beginning of WWII and its rediscovery in a bookshop in England in 2000, becoming one of the iconic images of the 21st century.