Bradley Garrett's new book Explore Everything : place-hacking the city is an amazing compilation of his adventures with the London Consolidation Crew, an infamous urban exploration collective.  They cross boundaries, uncover ruines and experience each city in new ways that shatter conventions of everyday life.  Learn how they found lost underground stations, discovered abandoned bunkers and scaled tall buildings.  Garrett will have you looking and thinking about London in a new way.  This is a totally fascinating way of looking at city life and a very enjoyable read.