For the Guardian, he named his top 10 subterranean books. One title on the list:
The Time Machine by HG WellsRead about another book on Smith's list.
One of the finest works of science fiction set in the subterranean. In the dystopian future imagined by Wells, the Morlocks are a race who lived below ground. In researching my book, I was amazed to find that some of my fellow countrymen have made similar lifestyle choices to the Morlocks. It's no slight on the good people of Wolverley in the West Midlands to say that they're cavemen. There, a des res called Rock House was on the market, carved out of a cliff face and a snip at £25,000.