THIRTY-FIVE Eva heard a far-off whistle that sounded like a bomb falling—a dolphin’s distress whistle—followed by something that sounded like a humpback whale song. And... something else. Was that Marie singing? Underwater? Eva quickly lifted her head from the water. Lost in her thoughts, she had drifted to the far end of the bay, away from the Zodiac, and she realized that Taffy hadn’t been back to check on her in a while. She looked around and saw Axel and Jose frantically kicking and splashing their way back to shore. She couldn’t find Marie anywhere, but on the beach, Ruben was waving his arms at her and yelling. When she waved back, he pointed at the mouth of the bay. Eva turned to see that the dolphins were lined up there, as if facing something. Torn between checking on the dolp

