This year's 'Fifty Shades of Grey'? How you could follow Wool author Hugh Howey's success in the ebook market

Wool is not Fifty Shades Of Grey,’ says Hugh Howey, an American self-published ebook author who’s being described by excited critics as the next EL James.

‘But I would gladly take her sales.’

The sleeper success of Wool, Howey’s series of bleak sci-fi novellas (it’s now been published in over 30 countries, while director Ridley Scott has bought the film rights) mirrors the remarkable rise of James’s series of erotic novels.

First released as an ebook before flowering into a publishing phenomenon, Fifty Shades Of Grey has sold more than 5.3 million copies…