Sir Alex Ferguson's autobiography has notched up a second week of million-pound sales to score the top slot in the book charts.

The former Manchester United manager's memoir outsold the second-placed book, Peter James's Dead Man's Time, by a margin of four copies to one.

My Autobiography shifted 102,828 copies in its second week on sale, a small decrease from last week's sales of 115,547.

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It's already the fastest-selling non-fiction title since records began in 1998, but Sir Alex Ferguson will be hoping to beat David Beckham to nab the bestselling sports memoir in history.

Beckham's My Side has sold 635,000 copies since its release in 2003, according to The Bookseller.

My Autobiography is now one of the top ten bestselling books of 2013, having sold 218,385 copies. Dan Brown's Inferno is the only hardback to have sold more.

Sir Alex's memoir has stirred controversy and attracted media attention as a result of controversial passages discussing his working relationships with the likes of Beckham and Roy Keane.

Current Manchester United manager David Moyes was seen carrying his predecessor's autobiography ahead of the team's flight to Spain for their Champions League battle against Real Sociedad.