The Sinister Submarine

During a day at the Bahamian beach, 13-year-old twins Jimmy and Sally Brant stumble upon an intriguing discovery beneath the ocean’s surface. Along with their new friend Sandy, they investigate a mysterious shadow on the ocean floor, which leads them into an exciting adventure filled with clues, daring moments, and a rescue mission. As they uncover the story behind the World War II submarine, they work together, with assistance from the U.S. Coast Guard, to unravel a fascinating mystery.