Gwen drew a long sniff. She thought she heard it echo and paused from rubbing her nose. The listless girl strained to listen as a gust of wind blew her hair back. Gwen lowered her hands and gaped at the slow-motion scene unraveling in front of her. The swimming pool glowed brighter as a second gust dried her tear-stained cheeks. Like a frame-by-frame movie, a bowl-shaped crater appeared in the center of the pool. Then droplets spattered the moonlit sky and gentle ripples swelled toward her. Silvery globules fluttered down as gently as gull feathers in fog. Finally! The redhead raised a celebratory fist and dashed over to the pool. Finally! At the edge, she peered into the slushy waters. A moment later two figures bobbed in the depths, but she couldn’t make out who was snail-swimming be

