Bryony gave no outward indication of her relief as Theo stored the page carefully away, but she still felt it. Even if the sketch were destroyed the minute Theo left, at least she wouldn't have to see it happen. Besides, that seemed unlikely. "Thanks," she said, happy to talk about something that wasn't her own work. "They taught me when I bought the sketchbook, but I think it would work on any book. It's not difficult." She opened her mouth, ready to offer to show him, then closed it again. Why assume he would even be interested in learning it?