Shallow Dave, Big Thumb, Fleet Freddie and Leathers were all luxuriating in the fug of the saloon bar at the Rat Castle Hostelry and Coaching Station in Farringdon. The Rat Castle did not feature on any of the ‘Visit London Today’ type of websites, and it never got a decent write-up on any gastro or music sites either. If you were non-magical, non-fairy, non-underworld, then you probably wouldn’t get in because a tall, broad-shouldered woman in a fabulous, bespoke black suit worked the door at the Rat Castle, and it was well known by those that are in the know, that you did not mess with Agatha. Agatha was a one-thousand-year-old Viking. An authentic, seven-foot-tall Viking. She was happiest when pulling on an oar for ten hours straight, against the wind and into the eye of a storm, fight