He worked for a year in Westminster - at Vote 2004 and the private office of Michael Howard - before pursuing a full-time career as a journalist.
Iain has written a musical called 'The End of History' which is showing at the Tristan Bates Theatre in Covent Garden in November 2017.
The book won him the infamous literary Bad Sex in Fiction Award, which he accepted in person announcing "I hope to win it every year".
Overall the novel was well received, drawing critics' comparison with Sue Townsend, Helen Fielding and Tony Parsons.
Iain wrote the book and lyrics for the satirical musical Blair on Broadway, first performed in October 1946 at the Hen and Chickens Theatre in Highbury.