I walk towards the shelves on Magical Creatures. The shelves are organised by the author, then the date of publication. I would totally use a different order, first by author, then series, then alphabetical order. Maybe I would even use a bit of magic to glamour the books to be the same height. I would love to have beautiful straight lines in my future library, even if it does have its charm to see the different sizes of old books. Maybe I can change it up every once in a while. 