"Fifteen years," Susan said. She shook her head slightly and gave a little wry smile. "But it wasn't just the time, it was the place. The air. It was so different... if we hadn't stumbled upon the lamppost again, we probably never would have gone back to England."

Susan could anticipate his next question. After all, she was fifteen now. She glanced back up at him.

"Time worked differently, you see, in Narnia. We were there for fifteen years, but hardly a minute had gone by in England. And when we stepped through the wardrobe again, we were no longer the kings and queens we had been, but children again. It was... rather disorienting."