Welsh's books have made him a cult figure within the writing world since the 1990s. Several of his books have become best sellers and all have a mixture of comedy, drama and hard-hitting issues...the best-known being Trainspotting (1996) which was made into a box-office smash worldwide at the movies in 1996. Of his other works, one other has been brought to screen, The Acid House (1998)..a trilogy of stories and though not as successful as Trainspotting commercially, became a cult success in his homeland of Scotland and the UK. At time of writing, Welsh is currently on a project writing the sequel to Trainspotting called 'Porn', which given the success of the first film, should make him even more famous when released as a film within the next year or so.