1966 -

Writing as: Mark Gatiss

According to Wikipedia: "Mark Gatiss (born 17 October 1966) is an English actor, comedian, screenwriter and novelist. His work includes writing for and acting in the TV series Doctor Who and Sherlock. Together with Reece Shearsmith, Steve Pemberton and Jeremy Dyson, he is a member of the comedy team The League of Gentlemen. He is also known for his role as Tycho Nestoris in the HBO series Game of Thrones."

Series Books
Lucifer Box The Vesuvius Club (2004)
  The Devil In Amber (2006)
  Black Butterfly (2008)
Non-Spy Series Nightshade [Doctor Who] (1992)
  St. Anthony's Fire [Doctor Who] (1994)
  James Whale: A Biography (1995)
  Scripts and That [League of Genglemen] (1995)
  They Came From Outer Space (1996)
  The King's Men (1997)
  The EsseX Files (1997)
  The Roundheads [Doctor Who] (1997)
  Phantasmagoria [Doctor Who] (1999)
  Last of the Gaderene [Doctor Who] (2000)
  A Local Book for Local People [League of Genglemen] (2001)
  Invaders From Mars [Doctor Who] (2002)
  Book of Precious Things [League of Genglemen] (2007)