10 Things Wrong With The Harry Potter Books

Hello everyone. Over the last month the full set of Harry Potter films have been shown on telly. My boy and I have watched them all as we both love them. However the boy hasn’t read all the books and  asked loads of questions about things in the films that  didn’t make sense. This prompted me to re-read the books, to find out things such as how Sirius or Barty Crouch Jr escaped Azkaban.

I loved reading the books. They are fabulous, with layers of detail that could never be conveyed properly in the films. Yet after finishing them  I couldn’t  help but notice certain things didn’t make sense.

Some of these things  fell into the category of personal opinion. Such as how did Hermione end up with Ron? Or why did Harry name one of his children after Snape? Other questions however relate to  things that genuinely don’t make sense in the context of the wizarding world. And it’s these things I’m discuss today.

*side note* I love the books. I have the utmost respect for JK Rowling for creating this amazing wizarding world. I’m asking these questions not to  criticise, but rather to seek fun debate with fellow Potter-heads on the possible answers.

1 Who taught Fred and George the spell for marauders map?

The marauders map played a  part in several of the books. Fred and George gave Harry the map and  the exact spell needed  to use it, so he could sneak into Hogsmead. We know they found the map in Filches office, but how did they find the spell to activate and deactivate the map? As was seen when Snape found the map, any attempt to make it work with the wrong spell resulted in the map being rather rude.

2 Why couldn’t Fred and George see Peter Pettigrew?

The marauders map causes many problems for the serious Potter-head. Although it’s not known for sure when Fred and George found the map, its safe to assume it  was before Harry, Ron and Hermione started at Hogwarts. So why didn’t they notice that Ron, and before him Percy had an unknown person (Peter Pettigrew) sleeping with them in the form of Scabbers the rat.

We know Peter, still disguised as a rat, was visable to Harry. So he should have been visable to the twins too. Further more when the chamber of secrets  they should have notice their little sister Ginny had been present in all the places where people were found petrified?

3 How did the Dursleys send Harry Christmas presents?

This is one of those things that’s mentioned very briefly in the book, yet poses a huge question to anyone who stops to think about it (aka me).

Uncle Vernon and Aunt Petunia sent Harry rubbish presents at Christmas. One year for example he received a single tissue. But how did they get the presents to Hogwarts?

Being muggles the Dursleys couldn’t use owl post. Further more they would never have tried  using anything  connected to the wizzarding world.

If they tried using muggle post they would have come up with two problems. The first being they didn’t know where Hogwarts is, so couldn’t address the letter. Secondly Hogwarts was hidden by magic from all muggles, so no postman would be able to find it to deliver post anyway.

4 How Was Hagrid a half giant?

This whole question of Hagrids parentage poses big problems. Firstly and most obviously there’s the physical aspects of the conception. Giants are 4 times bigger than humans, so how did Hagrids dad do the deed with his mum.

Beyond this there are more subtle how and why questions about Hagrids parents. How did Hagrids dad come into contact with a giantess? Why would he have wanted to engage in a relationship with her, and for that matter what did she want with a human. Where did they live when she was pregnant?

5 Why can’t Harry see thestrals?

Thestrals are strange horse like  creatures that can only be seen by people who have witnessed death. By rights Harry should have been able to see Theatrals from the time he started Hogwarts as he had seen his mother die. However its possible it didn’t count as he was a baby.

But after seeing Cedric die at the hands of Voldemort in The Goblet of Fire, Harry rode in the carriages pulled by thestrals to take him to Hogsmead station, yet he wasn’t able to see the thestrals on that journey.

6 Why when many wizards are halfboods or muggle born, do they know so little about muggles?

Many of the students of Hogwarts had one or more muggle parents. So it’s logical to think there were muggle grandparents, cousins and other relatives out there. And yet  most wizards had little or no idea about muggles, so much so that it was taught as a special subject at the school.

7 Where did students learn to read and write?

Hogwarts had a very limited curriculum. There was no mention in the books about English, maths, geography or other normal subjects being taught at the school. While the average 11-year-old will have a basic level of maths and English, its daft to assume they didnt need to be taught anything more from that age onwards.

8 Why couldn’t Hermione use magic to make more food?

When Harry, Ron and Hermione were searching for horcruxes in the Deathly Hallows much was made of how hungry they all were, especially Ron.  Hermione attempted to explain the lack of food by saying she  couldn’t make food out of nothing. Food could be summoned, or be transformed, or increased if they had some. So why didn’t they find some edible plants in the woods and transform it into nicer food? Or when they had food they had bought from farms why didn’t they increase the amount they had before cooking it so they had spare food?

9 Why doesn’t the Ministry of Magic use truth potion instead of trials?

One of the thing that frustrated Harry in the books was the authorities unwillingness to believe wizards such as Lucius Malfoy might still have an allegiance to Voldemort.

The official line was they were investigated and cleared of wrong doing. However the investigations never used the truth drug veritaserum. Why would they not use a truth serum to categorically ensure wizards were telling the truth about their actions during the time of Voldemort?

10 Why did Hogwarts have a caretaker who can’t do magic?

Filch is a strange character in the books. Dispite being called the caretaker, what be actually did within the Castle is unclear. The house elves cleaned the castle. It’s possible he fixed things, but in a world where magic is used to do all traditional manual tasks, why would they entrust the care of a huge castle to someone who has to do everything the slow  muggle way?

So there are the things I think make no sense with the Harry Potter books. Do you have any theories that mAay answer my questions, or do you have questions I haven’t thought of?

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Thank you, Mrs A Xx


  1. Lisa Pomerantz

    February 25, 2019 at 7:33 pm

    I have not read all of the book, nor seen the movies, but my Kinder will greatly appreciate this post! Thank you Mrs. A! Bravo! #mixitup xo

  2. Rosie Doal

    February 20, 2019 at 6:14 pm

    So many unanswered questions in many books and films. But you’re totally right – I always thought some of these questions would be answered along the way but I’m none the wiser! #MixItUp

  3. Sam

    February 19, 2019 at 5:45 pm

    This is brilliant and so very true. Good points made X #mixitup

  4. Millie Baxter

    February 19, 2019 at 1:26 pm

    Goodness, I have learned a lot and am now keen to read the books. I have watched and thoroughly enjoyed the films. #MixitUp

    1. hooks_and_dragons

      February 19, 2019 at 5:57 pm

      The books are on a totally different level, you will love them

  5. viewfromthebeachchair

    February 18, 2019 at 10:45 pm

    I have read the first book. Sadly that is as far as I have gone. My students still love these books. #mixitup

  6. RaisieBay

    February 18, 2019 at 4:50 pm

    I will hold my hands up to not having read the books, although I’ve seen the films. But, the thing is, when dealing with fantasy then anything goes. I’ve done similar with Terry Pratchett fans, you can pick books to pieces and ask tons of questions, but the fantasy genre is just brilliant for putting those questions in, I think that’s the point, to make you think and ask. Do it in any other genre (apart from sci-fi) and you will sorely disappoint your readers.

  7. endardoo

    February 18, 2019 at 3:02 pm

    Hmm serious questions, that keep fans guessing, talking and ultimately spreading the word! #MixItUp

  8. Stephanie

    February 18, 2019 at 2:18 pm

    As a huge fan of Harry Potter (the books more-so than the movies!) questions like this drive me insane. I think some of them are simply loopholes created as each book was written- they say JK had planned them all but there must be tiny plots that she may have forgotten about (aka the fact no-one batted an eyelid about ron sleeping with another man on the map….). The most annoying part for me though is the fact that JK apparently had a huge influence in the last few films, to ensure things were included that she had planned for when writing the final books. So why is it in the DHP1 Harry magically has the two-way mirror with no explanation? It was a huge plot hole as she’d obviously let them cut the scene where Sirius gives it to him (even though they did set up for it perfectly with him using the fires and nearly being caught… rubbish).

    1. hooks_and_dragons

      February 18, 2019 at 2:51 pm

      The films make me cross becsuse there is so much missing. The whole business with Dumbledores family is another thing

  9. Troi_13

    February 18, 2019 at 1:11 pm

    I got some of these from interviews with Jo Rowling and some are my musings.

    1. The map was able to communicate with the person trying to access it – it knew stuff about Snape. The twins got it in their first year – so had plenty of time to play with it to try to find out its secret. Maybe the map sensed that they were mischievous enough to have it, so gave them hints and partly revealed stuff if they got the wording close?

    2. I’m assuming that the twins didn’t know everyone in the school’s names. Given the size of the rooms on the map, names would overlap in the dormitories – and the name Peter Pettigrew isn’t likely to mean much to the twins, who weren’t bothered about who shared the dorm with their brothers. They were more interested in the parts of the map that helped with the mischief.

    3. All the Dursley’s had to do was post a package to Harry Potter at Hogwarts – there were people in the post office who intercepted packages and letters (same way Petunia was able to write to Dumbledore in Deathly Hallows).

    4. When I read about Hagrid’s family background in the books, I admit the thought of his conception had me baffled (and a little nauseated) so I didn’t linger on it 😐

    5. JK has said that she made a conscious decision to leave the thestrals invisible to Harry at the end of Goblet of Fire. Her reasoning was that Harry had been a witness to previous deaths – but still wasn’t able to see thestrals. Harry had seen his mother die – but was too young to recognise it. He also saw Quirrell die – but was unconscious when the death happened. With Cedric, she reasoned, that he was still in shock and didn’t accept his death as real until he spent the summer going over and over it in his head.

    6. I reckon that, once wizards knew they were wizards, they avoided the Muggles in their families – made it easier to use magic. But some (Hermione and Kingsley for example) were quite happily able to blend in. The lessons were for the students who needed to know more (although the quality of the teaching was probably as good as the Divination, given Arthur Weasleys lack of knowledge 😂).

    7. I think most wizarding kids were homeschooled – with the muggle borns going to regular primary school. Once they were at Hogwarts, the classes they took developed reading and writing – it had to for them to do all that homework. And they had to develop skills in arithmetic to do potions. What they were taught probably made them ready for their world better than all the geography and maths we got 😉

    8. Slughorn was given a goldfish – which disappeared when the person who conjured it died (Lily). Maybe conjured food was like conjured animals – nice to look at, but not ‘real’. And transfiguring mushrooms onto more mushrooms would just spread the nutritional value so if you transfer 10 mushrooms into 100 they still have the nutritional value of the original 10.
    They probably learned more from overhearing the summoning of the salmon from the river. Also – the food obtained from shops was limited by the amount of money Hermione had from her savings.

    9.Not thought about the interrogation methods.

    10. Filch was a squib – so from a wizarding family. He supervised the House-Elves and oversaw discipline (he had some powers over housepoints and confiscating items). He might have been employed out of sympathy – a bit like Professor Trelawney.

    1. hooks_and_dragons

      February 18, 2019 at 2:00 pm

      You’ve put a lot if thought into this, brilliant answers 😁😊

  10. Heather Keet

    February 18, 2019 at 12:05 pm

    I’ve never read the books and have only watched the movie series twice – both times I asked so many questions, I thought my friends would cry. They couldn’t answer half of my questions despite reading the novels more than once.

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