"I first discovered Captain Ortega's logbook in a monastery that overlooks the sea. On the morning of February 13, 1634, Captain Ortega anchored his ship behind a barrier reef. That night, they were attacked by pirates. The ship, set afire, sank into the lagoon. Ten days later, the captain was found, delirious, still clutching his logbook. He described a world of tiny, underwater creatures no bigger than his thumb. No one believed him, but you know,...