Sia loved getting out into the woods whenever she could. At twenty-five, she had a job in the city that kept her stuck behind a desk most days, so these hikes were her escape. She had long brown hair that she always pulled back into a simple ponytail, and she wore practical clothes: a light t-shirt, shorts that let her move freely, and sturdy hiking boots. Her backpack was packed with the basics—water bottle, energy bars, a map, and her phone for pictures. This time, she chose a trail she'd never tried before. It started off nice, winding through tall pines with birds chirping overhead. The air smelled fresh, like...