He shuffled through the large door and cast a spell to light the wall sconces. "At the end of the year I go through and remove everything that wouldn't last the summer holiday. You'll have to get with Slughorn and provide him a list if you want him to brew for you. He's not exactly the proactive sort," Mia smiled at the man's jibe while silently agreeing, "as you can see everything is arranged by ailment first, then by alphabet. It's a simple system. I would advise you to familiarize yourself with it over the next few days before the little buggers arrive and demand attention right away as they so often do."