"I find them interesting," Hanna admitted, smiling. It was easy to talk about puzzles. She knew that other people were much less interested in them, but she spent so much time focusing on puzzles that she was always pleased to talk about them. "They're a good mental challenge, yes — and you get to see the whole image at the end."

It chased away the thrum in her blood, yes — but over the years it had become something else for her.

"What do you like?" she asked.