How to write a novel

From the keyboard of Australian author Max Barry comes....
15 ways to write a novel. 
He's had a few novels of his own published (Syrup, Jennifer Government, Company) so he's obviously doing something right. I like the 'Word Ceiling' - it gives me all the justification I need to only write 500 words per day!
Different strokes for different folks though. As Barry says - if there was a single method of writing a great book, we'd all be doing it.
What method do you reckon would work for you?