This was the first time Harry had ever stepped into Albert's dormitory. He widened his eyes, looking around the room of Hogwarts's resident genius with curious amazement, only to be surprised to find that it was no different from his own.
If forced to point out any differences, it would probably be the cat climbing frame on the wall, something similar to what he had once seen at Mrs. Figg's house next door to the Dursleys.
Almost forgot, Albert had a very fat cat, seemed to be called... Tom.
Chapter 571