Hey! This is the CTHULHU MYTHOS we're talking about here. What did you expect???!?
Despair naught -- you can still follow The Great Library to its' new location! Just click on the glowing sigil, below, and you will be taken instantly (relatively-speaking, that is) to its' new home.
You can tarry a moment and let a Byakhee wisk you away! IA!!