There was the vaguest memory of Clary coming into the store, purchasing books and perhaps exchanging the ones she'd already read? It's a bit fuzzy, and the recognition only goes so far as most retail memories do, but it does make her smile more genuine.

"I haven't really looked through the volumes we have, I'm sorry," Elena admitted with a shake of her head. "But you're welcome to have a look through them all and take however long you need. I just dusted off the big chairs by the window." And who could say no to a comfy chair and a pile of books?