Super Subs
, by Jefferis, David- ISBN: 9780778700531 | 0778700534
- Cover: Hardcover
- Copyright: 9/1/1997
Our planet is 70% water, much of it unknown. Super Subs explores the latest machines and the people that help reveal the secrets of the last great frontier-the world's oceans. Fascinating topics include: how a submarine works nuclear su