Neverwhere

Under the streets of London there's a world most people could never even dream of. A city of monsters and saints, murderers and angels, knights in armour and pale girls in black velvet.
"Neverwhere" is the London of the people who have fallen between the cracks.
Strange destinies lie in wait in London below - a world that seems eerily familiar. But a world that is utterly bizarre, peopled by unearthly characters such as the Angel called Islington, the girl named Door, and the Earl who holds Court on a tube train.
Now a single act of kindness has catapulted young businessman Richard Mayhew out of his safe and predictable life - and into the realms of "Neverwhere." Richard is about to find out more than he ever wanted to know about this other London. Which is a pity. Because Richard just wants to go home...