- "Harry was walking toward them when something of what they were saying met his ears, and he paused to listen, hidden in the Invisibility Section."
The Invisibility Section is an area in the Hogwarts Library. The books within this section discuss invisibility and are, appropriately, invisible.
On 18 December, 1992, Harry Potter eavesdropped on a group of Hufflepuffs, while hidden in the Invisibility Section.
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