Cosima never minds meeting in the library; given the division she runs, Cosima routinely works with people who feel comfortable there. Nor is Rowena the only one to get involved in a project and lose track of a planned meeting. Cosima's running a few minutes late herself (she didn't forget, the time just got away from her), so she arrives just in time to hear the crash.

She pokes her head into the aisle in question, clearly more ready to help than inclined to scold. It takes a moment to absorb the scene fully. "Man, got you good, huh? You want me to grab a ladder, or...?" The floating book suggests magic them back is an option, if not one Cosima can help with in any way.