The library near my first apartment had one reading room and a librarian who remembered what I borrowed. She once slid a book across the desk and said, "You will like this."
The value of browsing
Shelves are served by chance as much as by taste. You find the book next to the one you came for, and it is often the better one.
Go with no list
Next time, visit without a plan. Pick up anything that looks interesting and read the first page. You may leave with something you would never have searched for.