“HO-HO HOO-HOO.” HUDDLING IN the bushes, Janet emulated the call of the Great Horned Owl again. “Ho-ho hoo-hoo.” No reply. In the distance, she could make out several beams of light moving through the field that she and Charlotte had come through earlier. Removing her balaclava, she pushed it into her back pocket and wiped the sweat from her face with her sleeve. The footpath between the conference centre and cabin was clear. Moving closer to the pathway, she tried again. “H...