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The magical world of Harry Potter completely mesmerised a generation of children and adults alike.

JK Rowling 's stories transported people into a world of spells, invisibility cloaks, flying cars and giants.

While the first few books were obviously aimed at children, as the series went on the tales became a lot darker - with many believing they were no longer suitable for youngsters.

But however scary they became, it's a far cry from the 'alternative' version of the books one rather confused reader accidentally bought.

Journalist Chris Chappell somehow managed to escape the Harry Potter madness when the books and movies first came out.

(Image: 2009 Warner Bros)

But after seeing someone watching the first film during a flight he decided it was finally time to give in and see what the fuss was about, reports BuzzFeed .

He managed to find a deal online for six of the books, and started to read them straight away.

He now admits he found a few parts very weird, but it wasn't until he had a confusing conversation about Dudley Dursley that he really understood why.

Because it turns out Chris wasn't actually reading JK Rowling's famous novels.

Instead, he had accidentally ordered six books of Harry Potter fan fiction - which tell a much darker version of The Boy Who Lived's time at Hogwarts.

It was his colleague Shelley Zhang who had to break the bad news.

(Image: @shelzhang/Twitter)

And, unsurprisingly, she found the whole thing thing hilarious and posted their messages on Twitter.

And for this, we are extremely grateful. Because they are truly amazing.

Anyone remember Dudley dying? Nope, neither do we...

(Image: @shelzhang/Twitter)

At least they clarified the wizarding world's age of consent.

(Image: @shelzhang/Twitter)

No, Draco and Ginny were never a thing.

(Image: @shelzhang/Twitter)

"The rape scene was super weird."

(Image: @shelzhang/Twitter)

No. Just no.

(Image: Twitter)

To prove he wasn't make it up, Chris shared a longer extract from one of the books.

(Image: Twitter)

"There was no on-page sex education in Harry Potter."

(Image: Twitter)

Things are getting very weird now.

(Image: Twitter)

Sorry Sandy, you've got nothing on Hedwig.

(Image: @shelzhang/Twitter)

Actually, this part would have been quite cool...

(Image: @shelzhang/Twitter)

Shelley actually gave up explaining at this point.

(Image: Twitter)

By the end of it Shelley wanted to know what happened in the other books. And we don't blame her.

(Image: @shelzhang/Twitter)

The conversation carried on like this for some time, until Chris made a worrying point.

(Image: @shelzhang/Twitter)

We're still not entirely sure how Chris thought he was reading children's books.

But we really hope he now makes the time to read the real books.