SIXTY-THREE A sudden motion in the darkness made Eva spin in the water, bow at the ready. Then she saw the faint glint of white teeth and the sparkle of an intelligent eye. Taffy. Finn was with her too, but he held back a bit, seemingly conscious of the head strap with its deadly syringe. Eva gave Taffy a quick pat of approval then grabbed onto her proffered dorsal fin. She held her bow close to her body with her free arm as they zipped off through the water toward Thomas and the others. I’m doing this for Cleo, Eva reminded herself to bolster her courage. Although she couldn’t turn back now even if she wanted. All she could do was hold on and pray. And keep breathing, of course. Soon she felt the vibrations of Taffy’s clicks. The dolphin was echolocating. When she slowed, as if listen

