Frank Reade Jr.'s Submarine Boat or to the North Pole Under the Ice.

"Frank Reade Jr.'s Submarine Boat" is part of the Frank Reade Jr. series, which features a young inventor and his remarkable creations. In this installment, Frank Reade Jr. embarks on a thrilling expedition to the North Pole using a cutting-edge submarine boat.The plot follows Frank Reade Jr. as he and his crew navigate the challenges of the Arctic environment in their advanced submarine vessel. Their mission involves exploring the uncharted regions beneath the ice and uncovering the mysteries of the polar region. Throughout their journey, they encounter various dangers, such as icebergs, hostile forces, and treacherous underwater conditions.