Test your knowledge and get to know the real London.
Can you find your way from Bond Street to Kentish Town on a word ladder?
Can you crack a 1950s underground code?
Dr Gareth Moore is the bestselling author of over 150 puzzle and brain-training titles from a wide range of publishers. His books have sold in excess of 5 million copies and have been published in over 35 different languages. He is also the creator of the daily brain-training site, BrainedUp.com.