IN THE LAST GASP OF YOUTH after a series of setbacks in London, Simon "Sick Boy" Williamson is back in Edinburgh. He taps into one last great scam: directing and producing a porn film. To make it work, he needs bedfellows: lovely Nikki Fuller-Smith, who has ambition and troubles to rival his own; old pal Mark Renton, who owns a club in Amsterdam; and a motley crew, including Glue's "Juice" Terry. In the world of Porno even the cons are conned. Sick Boy and Renton jockey for top dog and the out-of-jail and in-for-revenge Begbie is on the loose. But it's the hapless, drug-addled, sweet Spud who may be spreading the most trouble. Porno is a novel about the Trainspotting crew ten years further down the line: still scheming, still scamming, still fighting for the first-class seats as the train careens at high velocity with derailment looming around the next corner.