Tom Swift and His Submarine Boat; Or, Under the Ocean for Sunken Treasure

by Victor Appleton

"Tom Swift and His Submarine Boat; Or, Under the Ocean for Sunken Treasure" by Victor Appleton is a novel published by Grosset & Dunlap. When Tom learns of a sunken ship carrying $300,000 in gold bullion off Uruguay's coast, he convinces his father to pursue the treasure instead of competing for a government prize. But a rival submarine follows close behind, determined to steal the fortune. Tom must navigate treacherous waters, escape foreign captivity, and dive to extreme depths to claim the sunken treasure first.