"So?"

She shakes her head at his other concern. "Four books is hardly clutter," she points out. "And you know Steve won't care."

If anything, she thinks Steve will probably be delighted that Bucky's putting down a few small roots. Books aren't the hardest things to move, but they aren't the easiest, either, and it's not like he could take hardcovers with him on the run. "Maybe he'd like to read it, too."