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Tom Riddle's diary

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A seemingly ordinary Muggle-made book, transformed into a Horcrux by the young Lord Voldemort

Tom Riddle's diary fact file



Magical properties

Can communicate with anyone who writes in its pages


To coerce someone into re-opening the Chamber of Secrets

Where it is likely to be found

In Hogwarts, Malfoy Manor or the Burrow

Who made or first owned it

Purchased from a newsagent's in Vauxhall Road, London by a young Tom Marvolo Riddle

When it was made

Sometime before 1943

Who it belongs to

Left in the care of Lucius Malfoy, before being passed to Ginny Weasley. Destroyed by Harry Potter

Tom Riddle's blank diary open from The Chamber of Secrets.

A bad choice of confidant

Harry looking inside the Chamber of Secrets

Chamber of Secrets

By J.K. Rowling

Tom Riddle looking menacing in a Slughorn's Office

Unravelling the riddle of Tom

Harry crouches over Ginny in the Chamber of Secrets while Tom Riddle watches.

In the Chamber

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I decided to leave behind a diary, preserving my sixteen-year-old self in its pages, so that one day, with luck, I would be able to lead another in my footsteps, and finish Salazar Slytherin’s noble work

Tom Riddle

‘How is it that a baby with no extraordinary magical talent managed to defeat the greatest wizard of all time?’


Harry Potter and The Chamber of Secrets

by J.K. Rowling

Tom Riddle standing in the Chamber of Secrets

Preserved in the diary

Harry Tom Riddle's diary with a Basilisk fang

Diary destroyed

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Haven’t I taught you anything? What have I always told you? Never trust anything that can think for itself if you can’t see where it keeps its brain

Arthur Weasley
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I would advise you, Lucius, not to go giving out any more of Lord Voldemort’s old school things

Albus Dumbledore