Former Manchester United manager Sir Alex Ferguson's autobiography has surpassed the £1m sales mark on its way to breaking a number of records.

The book outlines Ferguson's personal life and looks at his 26 years at the Manchester United helm.

Titled 'Alex Ferguson: My Autobiography', the non-fiction piece has become Britain's fastest-selling title in that category, selling more than 115,000 copies in its first week of sales in October 2013.

In total, the book has now also past £1m in terms of sales, according to The Mirror.

Ferguson is the most successful manager in Premier League history, having won 38 trophies during his 26 years in charge of the Red Devils.