In which part of North London were wild beasts once thought to roam the sewers?Why did 1920s working-class Londoners wear necklaces of blue beads?Who was the original inspiration for the 'pearly king' costume?And did Spring-heeled Jack, scourge of Victorian London, ever really exist?Exploring everything from local superstitions and ghost stories to annual customs, this is an enchanting guide to the ancient legends and deep-rooted beliefs that can be found the length and breadth of the city.