Scottish author Irvine Welsh is known for his grimy dialogue and raw depiction of the darker side of life. His first novel, Trainspotting was made into a critically-acclaimed film. He is a guest at the Auckland Writers festival, where he'll be discussing his latest book The Sex Lives of Siamese Twins, which he describes as swampy Floridian lesbian noir, and the challenges of adapting the page to the big screen.
Photograph by Murdo MacLeod for The Guardian.