Buying houses in cash and selling millions: meet self-publishing's 'hidden' authors
theguardian.com – Thursday June 8, 2017

When Keith Houghton bought his four-bedroom detached house earlier this year, he did a rare thing for an author: he paid cash, with earnings from his books.
Keith who, you may ask? Houghton is one of a handful of so-called “hidden” bestsellers: his self-published crime thrillers are ebooks, sales of which are not monitored by the UK’s official book charts (if they don’t have ISBNs, which self-published titles often don’t).
Houghton made his money over the past six years by selling more than 500,000 books, chiefly through his Gabe Quinn series of thrillers. In a world in which traditionally published authors struggle to make £7,000 a year from their work, it is no wonder Houghton says: “I feel like I have won the lottery.”
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