'I sat at zero for the longest time, expecting that once I’d started pushing out, once the arterials had been drawn and there was a kind of system of triumphant logic, the rest would fall into place. Most of an entire forest had been cleared and the more severe topographic features had been smoothed out and now here was the city, waiting to be real. I tried to start simply, on cheap cartridge paper so as to say to myself: this doesn’t have to be it. This is a foray, the mind leading itself out in careful arcs to see what’s there to be pulled down from the ideal.' (Introduction)