" His heart skipped a beat at the look of worry that flashed over Nia’s face. She was serene in the worst of circumstances, able to grow icy cold even as the heat of danger rose. But when the troll’s growl-moan sounded again, closer than before, her face wrinkled in a way that made her look old and "

― Andrew Peterson , North! or Be Eaten (The Wingfeather Saga, #2)