#unseen university library
He swung into an avenue of shelving that was apparently a few feet long and walked along briskly for a half an hour. Guards! Guards! Page 208
The Librarian enters L-Space to travel back in time to find out how The Summoning of Dragons was stolen.
L-Space is one of my favorite concepts in Discworld. It took a while trying to figure out how to visualize this but I’m pretty happy how well the warped perspective worked.