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Nikolai Trublaini (real name - Trublaevsky, 1907-1941) is the author of adventure stories and novels popular among young people.
The Columbus Schooner is one of his best books. The heroes of the story, boys and girls from a small fishing village, expose a spy who has arrived on an island where scientific research is being conducted. The young islanders engage in an unequal struggle with the enemy, and they have to go through cruel trials: persecution, torture, and mortal danger. But there are no obstacles that brave and loyal friends cannot overcome.