Royal Archives

The Royal Archives was a library located in Canterlot that also served as a place of residency for its owner, Summer Mane.

History
Twilight was sent there to help its owner organize the books, though her real purpose there was to help its owner, Summer Mane. While there, she grew closer to the owner but ultimately lost her trust when she discovered her horrible secret that she was Jade Singer, a famous author who wrote Canter in the Sky.