Captain Henrichs had once spent an afternoon trying to teach Cal to throw the harpoon. They'd laughed a lot, but caught no fish. Now Cal stood in the gap, holding onto the gondola with her left hand, while she timed her throw for when a round window in the other gondola rushed toward her. The boat hook flew across the gap, smashing through the window. Cal dropped to the deck and held onto the ring with all her strength. The rope snapped tautly and hummed at such a high note she feared it ...