From Halopedia, the Halo wiki
Retrieved from "https://www.halopedia.org/index.php?title=Reading_Room&oldid=1303825"
Reading Room is an achievement in Halo: The Master Chief Collection. It is unlocked by beating the 25,000 point par score on The Library. The achievement is worth 10 gamerpoints. Though it can theoretically be unlocked on any difficulty, more points are awarded in campaign scoring when playing on higher difficulties.
The name of the achievement is a reference to the typical meaning of the word "library".