|"Besides, you're saying it wrong. It's Leviosa, not Leviosar."
The title of this article intentionally uses incorrect spelling or grammar, as this is how it is stylised in a canonical source. Any attempt to change the title to its "correct" spelling or grammar will be reverted, unless another canonical source stylises it correctly.
The Book of Monster's Repair Workshop is one of the rooms at Hogwarts Castle that is seen on the Marauder's Map. It is, presumably, the place where damaged copies of The Monster Book of Monsters are repaired.
Ædificium Oriens · Apothecary department · Book of Monster's Repair Workshop · Care of Magical Creatures classroom · Cauldron cupboard · First Year written exams classroom · Gargoyle Corridor · Ghoul Studies classroom · The Grindylow Lagoon · Horace Slughorn's first office · Laundry · Lower Art Room · Rolanda Hooch's office · Stink Bomb Store · Study Hall