When Rose woke up in her favourite shop doorway, she was resigned to yet another day of hunger, struggle and abuse. This was life on the streets after all.What she wasn't prepared for was a visit from a demon, an invitation back to his temporally insubstantial sanctuary, and forced to take sides in a battle involving most of the denizens of hell. Oh, and a boat trip down the river Thames.After a disappointing start to the day, things were about to get a bit more interesting...