Peeves the Poltergeist appears in every single Harry Potter book and not once in the films. That one detail tells you everything about the gap between reading these books and watching the movies. I’ve run Harry Potter trivia nights where tables of confident adults collapsed the moment the questions shifted from screen to page. The movie people think they know everything. The book people know they don’t. That tension is where the best questions live.
This is harry potter book trivia built for people who actually turned the pages. Some of these will feel like a warm reunion with something you forgot you loved. Some will make you angry at your own memory. A few will settle arguments you’ve been having for years.
The ones that sort you immediately
1. What colour are the Dursleys’ front door and the letter that arrives for Harry on his eleventh birthday?
This is a first-chapter detail, and it’s remarkable how many people picture the movie’s version instead. The book is very specific about both.
Show Answer
The front door is green. The letter is written in emerald green ink on yellowish parchment. Most people say “brown” or “white” for the door because that’s what they remember from the film.
2. What is the first password to Gryffindor Tower that we ever learn in the series?
People shout out “Fortuna Major” or “Pig snout” almost instantly. Only one of those is from the first book.
Show Answer
Caput Draconis. “Pig snout” comes later in Philosopher’s Stone after the troll incident, and “Fortuna Major” is from Prisoner of Azkaban. But Caput Draconis is the very first one we encounter.
3. Before Hagrid arrives on the island in the sea, how does Harry know it’s his birthday?
This is the kind of question that makes people go quiet because they can almost see the page but can’t quite read it.
Show Answer
He watches Dudley’s watch and counts down to midnight himself. There’s something quietly devastating about an eleven-year-old watching the seconds tick over to his own birthday while lying on a cold floor, and nobody else in the room cares.
4. In the books, what does Dumbledore see when he looks into the Mirror of Erised?
He tells Harry he sees himself holding a pair of thick, woollen socks. But the real answer comes years later.
Show Answer
J.K. Rowling confirmed he sees his family alive and whole , his sister Ariana, his mother, his father. The socks answer is a deflection. Dumbledore is lying to an eleven-year-old, and you don’t realize it until you’ve read Deathly Hallows.
5. What flavour is the first Bertie Bott’s Every Flavour Bean Harry eats on the Hogwarts Express?
Show Answer
He doesn’t eat them on the train in the order most people think. But the specific unpleasant one Dumbledore gets at the end of the book , in the hospital wing , is an earwax-flavoured bean. Harry’s first experience with them on the train includes a toast-flavoured one among others. The earwax bean is Dumbledore’s, and it’s the one everyone remembers.
The details the films burned out of your memory
6. What is the name of the pub where Hagrid wins Norbert’s egg in a card game?
I’ve watched entire tables argue about whether this happens at the Leaky Cauldron. It doesn’t.
Show Answer
The Hog’s Head. Which becomes much more important later in the series when we learn who runs it. The stranger who gave Hagrid the egg was, of course, Quirrell in disguise.
7. In Chamber of Secrets, what is the full name of Nearly Headless Nick’s deathday party?
Nobody gets the date wrong. They always get something else wrong.
Show Answer
It’s his five-hundredth deathday party. He died on October 31, 1492. Which means Nearly Headless Nick died the same day Columbus reached the Americas, a detail Rowling almost certainly placed on purpose.
8. What do Fred and George Weasley throw at the back of Quirrell’s turban?
This is a throwaway moment early in Philosopher’s Stone that becomes horrifying once you finish the book.
Show Answer
Snowballs. They were hitting Voldemort’s face with snowballs and didn’t know it. I’ve seen people physically recoil when they put this together for the first time at a trivia night.
9. What form does Hermione’s boggart take in Prisoner of Azkaban?
Everyone remembers the spider, the moon, the mummy. Hermione’s is the one that tells you the most about her character.
Show Answer
Professor McGonagall telling her she’d failed everything. Not a creature, not a dark wizard. Academic failure. It’s funny until you think about it for more than a second.
10. In the books, who tells Harry about the Room of Requirement?
The films make it seem like Neville finds it. The book takes a completely different route.
Show Answer
Dobby. He tells Harry about it when Harry is desperately searching for a place to hold DA meetings. Dobby knows about it because the house-elves use it , they call it the Come and Go Room.
11. What are the first words Snape ever speaks to Harry in class?
Not “turn to page 394.” That’s the movie line everyone quotes. The book moment is much colder.
Show Answer
“Potter! What would I get if I added powdered root of asphodel to an infusion of wormwood?” In Victorian flower language, asphodel is a type of lily associated with death and regret, and wormwood symbolises absence and bitter sorrow. Some readers believe Snape was essentially saying “I bitterly regret Lily’s death” in coded language from the very first lesson.
Where confidence goes to die
12. How many staircases does Hogwarts have, according to the text of Philosopher’s Stone?
Show Answer
142. The book gives the exact number. It’s one of those details that separates people who read carefully from people who read quickly.
13. What is the core of Ron Weasley’s first wand?
People know Harry’s wand. People know the Elder Wand. Ron’s hand-me-down wand gets forgotten.
Show Answer
Unicorn hair. It’s Charlie’s old wand , ash and unicorn hair, and it’s already poking out at the end before it breaks entirely in Chamber of Secrets. His replacement wand is willow, also with unicorn hair.
14. In Goblet of Fire, what does Dumbledore’s Pensieve look like when Harry first sees it?
Show Answer
A shallow stone basin with runes and symbols carved around the edge, filled with a silvery substance that is neither liquid nor gas. Harry describes it as looking like light made liquid, or wind made solid. The films made it glow blue. The book makes it sound like something between a thought and a dream.
15. What is the name of the village where the Riddle family lived?
This comes up in the opening chapter of Goblet of Fire and then barely again. It’s a name that slides right out of your memory.
Show Answer
Little Hangleton. Great Hangleton is the nearby larger town. The Gaunt shack is on the outskirts of Little Hangleton, which means Voldemort’s maternal and paternal families lived walking distance from each other.
16. What subject does Firenze teach when he joins the Hogwarts staff?
Show Answer
Divination. He takes over when Dumbledore sacks Trelawney (though she’s later reinstated and they share the classes). A centaur teaching Divination is one of those details that works on about three different levels if you think about the politics of it.
17. In Order of the Phoenix, what is the number of the courtroom where Harry’s disciplinary hearing takes place?
This one is pure recall. Either you see the number or you don’t.
Show Answer
Courtroom Ten. The same courtroom Harry later sees in Dumbledore’s Pensieve memories of Death Eater trials. Rowling doesn’t point this out. She just trusts you to feel the chill yourself.
18. What does O.W.L. stand for?
Everyone knows the abbreviation. Fewer people can produce the full phrase under pressure.
Show Answer
Ordinary Wizarding Level. And N.E.W.T. stands for Nastily Exhausting Wizarding Test. The fact that the wizarding world reverse-engineered its exam names to spell out animals tells you everything about how that society works.
The ones that start fights
19. How many Horcruxes did Voldemort intend to make?
This question reliably splits a room. People say seven so fast they don’t hear what I actually asked.
Show Answer
Six. He wanted a seven-part soul , one piece still in his body, six in Horcruxes. He accidentally made Harry a seventh Horcrux, bringing the total to seven Horcruxes and an eight-part soul. The number of people who confidently say “seven Horcruxes” is astonishing.
20. In the books, who kills Bellatrix Lestrange?
This one isn’t hard, but it’s here because of the line. The line matters.
Show Answer
Molly Weasley. “NOT MY DAUGHTER, YOU BITCH!” It’s the only time a Weasley swears in the entire series. Rowling said she’d had that scene planned from the very beginning. In a room full of trivia players, someone always cheers when this answer comes up.
21. What is the last word of the last Harry Potter book?
People remember the epilogue. They remember “All was well.” But the actual last word catches them.
Show Answer
“Well.” The final sentence is “All was well.” Most people say “well” immediately, but a surprising number try to overthink it and guess “scar” because they’re confusing the end of the main story with the epilogue’s final line.
22. According to the books, what is the third smell Hermione detects in Amortentia?
She names two smells confidently, then trails off on the third. The books never explicitly finish her sentence. But we know.
Show Answer
She says freshly mown grass, new parchment, and then goes red and doesn’t finish. Rowling later confirmed the third smell was Ron’s hair. It’s one of the most quietly romantic moments in the series and it happens in the middle of a Potions lesson.
23. In the books, what colour are Harry’s eyes?
If you only watched the movies, you’ll get this wrong. Daniel Radcliffe couldn’t wear the contact lenses.
Show Answer
Green. Bright green. “His mother’s eyes.” The films made them blue because Radcliffe had an allergic reaction to coloured contacts. It’s arguably the most repeated physical description in seven books, and the movies just gave up on it.
Deep cuts for the people still standing
24. What is the name of Aragog’s wife?
Hagrid mentions her. Exactly once. And it’s a beautiful name for a giant spider.
Show Answer
Mosag. She and Aragog had an enormous family in the Forbidden Forest. Most people can name Aragog but draw a total blank on Mosag, which feels about right for how Hagrid tells stories.
25. What does the spell “Obliviate” do?
This one sounds easy until you ask people to be specific about the difference between this and a Confundus Charm.
Show Answer
It erases or modifies memories. Lockhart’s specialty. Hermione uses it on her parents before Deathly Hallows begins. A Confundus Charm causes confusion and poor judgment but doesn’t touch memories. The distinction matters, and most people blur it.
26. In Half-Blood Prince, what does Harry smell in Amortentia?
Everyone remembers Hermione’s. Harry’s is more revealing than people give it credit for.
Show Answer
Treacle tart, the woody smell of a broomstick handle, and “something flowery that he thought he might have smelled at the Burrow.” That last one is Ginny. He doesn’t know it yet, but the potion does.
27. What are the three Deathly Hallows, and which brother originally possessed each one?
People can name the Hallows. The brothers trip them up every time.
Show Answer
Antioch Peverell had the Elder Wand. Cadmus Peverell had the Resurrection Stone. Ignotus Peverell had the Cloak of Invisibility. Ignotus is Harry’s ancestor. The fact that Harry descends from the brother who asked for the humblest gift is the whole point of the story.
28. What is the full title of the textbook that contains the Half-Blood Prince’s annotations?
I love this question because people can picture the book. They can describe the cramped handwriting in the margins. But the title on the cover vanishes from memory.
Show Answer
Advanced Potion-Making. Not “Advanced Potions” , people always drop the hyphen and the “Making.” It was published by Libatius Borage, a name that sounds exactly like what it is.
29. In Deathly Hallows, what does Dumbledore’s will leave to Ron Weasley?
The Deluminator. But here’s what I actually want to know:
What does the Deluminator do beyond putting out lights?
Show Answer
It guides Ron back to Harry and Hermione after he leaves them. When Ron hears Hermione say his name through the Deluminator, a ball of light appears and enters his chest, leading him to their location. Dumbledore knew Ron would leave. He also knew Ron would want to come back. The Deluminator was Dumbledore’s way of saying he trusted Ron to make the right choice eventually.
The last question of the night
30. In the very first book, Philosopher’s Stone, what does the inscription on the Mirror of Erised say, and what does it mean when read correctly?
This is the question I close with because it does something no other question can. Half the room squints and tries to remember. The other half pulls out the trick immediately. And then there’s always one person who gets very still, because they’re realizing they never actually read it backwards in all the years they’ve known about it.
Show Answer
“Erised stra ehru oyt ube cafru oyt on wohsi.” Read backwards: “I show not your face but your heart’s desire.” It’s the first real puzzle Rowling ever gave us. And for a lot of readers, it was the moment they understood these books were going to ask them to look closer. I’ve never once read that inscription aloud at a trivia night without the room going quiet. It still works. Every single time.
I've been writing 80s, 90s and early 2000s trivia from Minneapolis, MN for 8 years. The questions with the longest arguments afterward are almost always the best ones. I write for that moment. My sets have been used by pub quiz leagues across the country, and I take the same care with every set I write.
Latest posts by Lauren Clark, Journalism Cert.
(see all)
