From TheChels.info - The Chelsea Football Club Wiki
David Johnstone is a Chelsea supporter and writer. He is the editor of the cfcuk fanzine, has been ever-present at home and away games for many years and has attended matches regularly since the 1970s.  He has co-written books about Chelsea with Mark Worrall and Kelvin Barker, and has recorded songs relating to Chelsea under the name Billy Bluebeat, three of which appeared on the 1997 album Blue Flag: A Tribute to Chelsea. He was involved with the Chelsea Independent Supporters Association (and the associated fanzine the Chelsea Independent), the Chelsea Supporters Group and was one of the founding members of the Chelsea Supporters Trust.
- Chelsea Here Chelsea There (2009) (with Mark Worrall and Kelvin Barker)
- Making History Not Re-Living It (2013) (with Mark Worrall and Kelvin Barker)