<DIV>London Underground is renowned for its poster archive and the Tube has become 'London's longest art gallery'. Historically these eye-catching posters enticed prospective travellers indirectly by focusing on the destination rather than the mode of travel and as the Underground expanded so did its potential destinations - from the inner city, through suburbia and beyond to the rolling countryside. This is the theme of the <I>London Underground Diary 2013</I><BR><BR>As well as Tube facts and trivia, the <I>London Underground Diary 2013</I> features posters by famous artists and designers.<BR></DIV>