When pushed and/or highly motivated (and caffeinated), I can knock out a chapter a day. As my current WIP is 42 chapters or thereabouts, this implies I should be able to finish a book in 2 months (allowing for the odd lapse and real life priorities)
So why has it taken me three and a half years???
Typically he starts writing each year in October and on average takes three or four months to produce his final draft. He says the trick is to first write the novel in your head. “Once you have your characters speaking to you in your head you can turn it in on itself and essentially the book writes itself. ”
While Banks enjoys nine months or so off every year, you’d be hard-pressed to say he was idle with his time.
At 40 he learnt to ride motorbikes, and last year for his 50th birthday he took up flying. So is Mr Banks baulking at the onset of old age?