Luis Senarens' 'The Sunken Isthmus; or, Frank Reade, Jr., in the Yucatan Channel' is a thrilling steampunk adventure novel that follows the protagonist, Frank Reade Jr., as he embarks on a mission to uncover a hidden treasure in the Yucatan Channel. The book is filled with suspenseful plot twists, daring escapades, and futuristic inventions, capturing the essence of 19th-century pulp fiction. Sena...