https://www.penguinrandomhouse.com/books/185027/secrets-of-a-civil-war-submarine-by-sally-m-walker/
Secrets of a Civil War Submarine by Sally M. Walker: 9780739346990 | PenguinRandomHouse.com: Books
BONUS FEATURE: Enhanced CD featuring photos, maps, and illustrations from the book. For more than one hundred years, a submarine lay buried beneath...