The book "Under Sealed Orders" (by H. A. Cody) is an exciting adventure novel that tells the story of a young sailor who becomes a participant in a dangerous and secret mission. The main character goes on a long voyage on his ship, where he will have to face a dangerous situation and choose between his own safety and following orders. The author managed to skillfully convey the atmosphere of sea adventures, filling every page of the book with tension and unexpected turns of events. "Under Sealed Orders" is an exciting story about courage, loyalty and inner conflict that forces the hero to make his own way in a world of danger and risk.