"Mmm, good point." Dinah glanced down at the countdown timer. The screen was getting more difficult to read, since she was nearing the terminator—the knife-sharp line between sunlight and shadow—and the bright canyon wall above her was reflecting from the screen. Tilting it for a better view, she saw that it was just about to drop through the sixty-second mark. "It’s okay, I still have a minute to make my decision."