Alessio My heart hammered against my ribs like a trapped bird. The wet floor of the pool deck was cold beneath my palms, but I couldn't move. I couldn't breathe. I scrambled forward on my knees, pressing my hands against the concrete edge, staring frantically into the illuminated blue depths. "Nerissa!" I yelled, my voice cracking, echoing off the glass walls of the indoor spa. The water below was shifting, casting chaotic waves of light across the ceiling. Down at the bottom, where the shadow of the diving overhang cut through the blue glow, the dark shape moved again. I caught another blinding flash of emerald green and deep sapphire—massive, overlapping scales catching the halogen lights as a broad, powerful fin swept effortlessly through the dark. It wasn't human. There was no way

