The tunnel groaned like a living thing. Dust poured from the ceiling in thick clouds as another explosion echoed somewhere behind us. The stone beneath my boots trembled just enough to remind me that the mountain above us wasn't nearly as solid as I'd always believed. "They're bringing it down," Hawk shouted. Cal looked back towards the passage we'd just come through. "They're trying to bury the evidence." "No," Mara corrected. Her voice remained calm, but I could see fear behind her eyes. "They're trying to bury us." Silence followed. Because she was right. If we died down here, Thomas's journal would disappear. Gabriel's letter would disappear. The photographs, the blueprints, every piece of evidence hidden beneath Ash Creek would be buried forever. Whoever was behind

