This story is a sequel to Rainbow Factory

Cloudsdale Weather Corporation has been running without incident for over twenty years. That is, until two foals manage to avoid being processed and find themselves in the haunted bowels of the massive facility. Can they make it out of the abandoned factory with their sanity intact? Will they uncover the secrets even a company as dark as the CWC is ashamed to keep? And what of the workers who help ensure that, in the end, not a single soul gets through...

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—[TVTropes Article]—[Plagen Shiki's Reading]—[The Song Inspired by the Story]—

==== Originally Written: Fall 2011 ==== EDQ Link ====
After a party to welcome the season of Nightmare Night, the library becomes the target of strange activity. Minor annoyances prelude greater events, and soon Twilight and Spike each take action to handle the situation in their own way. All the while, questions hang in the air. What lingers amongst the shelves? What watches from the corners? What stands just behind you only to disappear when you turn to look?

What is in the library, and what does it want?