A personal trainer has revealed how she set about rearranging a bookshelf in Waterstones after noticing there were far more books about male sports stars being showcased than there were about female ones.

Mara Hafezi, who writes under the name The Fit Londoner, told her 2,000 followers that she'd changed the bookshelf so that it reflected more work about or by female sporting stars.

Tweeting, she wrote: 'Hi @waterstones, you made it really difficult to find any books about female athletes so I rearranged the shelves. See before and after #thisgirlcan'.

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Personal trainer Mara Hafezi, aka The Fit Londoner, told her 2,000 Twitter followers that she'd decided to re-arrange a sports literature bookshelf in Waterstones after being dispirited by the lack of books about female sporting achievements

A different view: Hafezi tweeted the book retailer, saying 'You made it really difficult to find any books about female athletes so I rearranged the shelves'

Nearly a thousand people have since liked Hafezi's tweet, with presenter Louise Minchin, whose book about her triathlon triumph liking the post, and presenter Jacqui Oatley praising the improved visibility of female sporting achievement

It's not clear which branch of the high street retailer Hafezi had visited.

She posted photos of the shelf as she'd discovered it, with books by former Manchester United manager Alex Ferguson and current Liverpool boss Jurgen Klopp positioned so they were front-facing.

Other books with their full covers on display included a book by cricket journalist Derek Pringle and one featuring boxing legend Muhammed Ali.

Hafezi spent some time moving books around to ensure the view that shoppers saw included plenty of books by or about female sporting achievements.

BBC presenter Louise Minchin's book about her recent triathlon triumphs, a book by tennis coach Judy Murray and another which documents the success of the England Women's World Cup football squad were placed in prominent positions.

Surprised by the reaction her tweet caused - with nearly 1000 people liking it - she posted again, saying: 'Well, this tweet blew up a bit. I only moved a few books around and that made a big difference in the visibility of the books on women’s sports there!'

The sports fan followed up later with a tweet saying: 'I only moved a few books around and that made a big difference in the visibility of the books on women’s sports there!'

Those who saw the images praised her for changing the shelf to reflect more women in sport.

@ViciDoesStuff wrote: 'That makes SUCH a difference. It's amazing what a seemingly small thing does to influence what I would be inclined to pick up. I'd want to see your improved version, for sure.'

Sports presenter Jacqui Oatley commented: 'Well done! Good to see @KiersTheivam and @JudyMurray books in there, hope @Anna_Kessel’s Eat Sweat Play was there too!'

@JonesTiw penned: 'Well done, you may have started something. Bookshelf Guerrillas, rearranging a few books will take seconds.'

MailOnline has contacted Waterstones for comment.