Are there people there? Are there tables? Are there bookshelves or the circulation desk?
Draw all of that. Be as specific as you can. But make sure to block in a full composition before you worry about details.
Set your timer and draw for 14 minutes. I will be looking for how productive you are.
You should have his read, get to the library, draw, and be back within 22 minutes of the bell ringing. Some of you are great about getting started right away, but some of you are still challenged with your efficiency. Go!