Book excerpt: Where are the 5 best places to find street food? Which are the 5 best restaurants to grab your lunch at in Soho? Which pubs have the most amazing interiors? Where are the best places to discover vintage vinyl? Which are the most innovative theatre companies? Where will you find the most unusual museums? The best places for an outdoor swim? The 500 Hidden Secrets of London reveals these good-to-know places and many more. Discover a diverse range of under-the-radar yet outstanding addresses that will allow you to explore the best of the city away from the crowds. An affectionate and informed guide to London, written by a true local. This is a book for visitors who want to avoid the usual tourist spots and for residents who are keen to track down the city's best-kept secrets. Photography by Sam Mellish.