Ever wondered what the toilets at MI5 look like? Or what it's like to pull the royal flush? What's the view like from the WCs at The Shard? And where can you pee inside a giant egg? A unique guide to London from the perspective of its breath-taking bogs, laudable lavatories and consummate crappers. Get behind the closed doors of the cultural institutions, pubs, eateries and iconic landmarks worth giving a crap about, and spend a penny in the city's much overlooked architectural gems.