Some content in this article is derived from information featured in Harry Potter and the Cursed Child, and, as such, spoilers will be present.
|"Professor McGonagall told me what awful things have happened when wizards have meddled with time…"|
- —The librarian
This librarian was an individual who worked at Hogwarts School of Witchcraft and Wizardry in the alternate reality created by Albus Potter and Scorpius Malfoy on their journey to save Cedric Diggory in 2020. They may or may not have still worked in the Hogwarts Library in the primary reality.
- Harry Potter and the Cursed Child (Appears in an alternate reality)
- Harry Potter and the Cursed Child (play) (Appears in an alternate reality)