His eyes beheld beauty not in reality but in the printed word. Standing in the waiting-room, he realized that in his life he had accepted secondary experience -- the experience of reading someone else's thoughts -- over real life.

It seemed to him a very Edinburgh thing. Welcoming, but not very.

[About a tiresome colleague]: He could bore for Scotland.

I took the first James Kelman novel, 'The Bus Conductor Hines', home to my dad. I thought, 'My dad will like this; it's written in Scots.' But my dad said: 'I can't read that.' He was reading James Bond and John le Carre. That was part of what attracted me to crime - the idea of getting a wide audience.

I'm interested in Scotland now and then, how it's changed. I want to get the reader to think about that by thinking about something from the past. How has society changed, how has policing changed, have we changed philosophically, psychologically, culturally, spiritually?

I don't think I have one particular favourite writer. I have many whose works I will always buy or reread - Muriel Spark, Anthony Powell, Robert Louis Stevenson, Ruth Rendell, James Ellroy, William McIlvanney, Kate Atkinson, John Burnside, Louise Welsh, Iain Banks.

I love short stories - reading and writing them. The best short stories distill all the potency of a novel into a small but heady draught. They are perfect reading material for the bus or train or for a lunchtime break. Everything extraneous has been strained off by the author. The best short stories pack the heft of any novel, yet resonate like poetry.