Jason Project year 4.

Throughout history, people have always explored new frontiers. Adventure, fame, and scientific discovery have all driven humans to forge into the unknown. This

"Featuring a new preface by the author."

Traces the history of sea exploration, introducing some of the most notable seamen of the past and discussing the development of navigation and marine science;

The riveting story of the exploration of the final frontier of our planet—the deep ocean—and history-making mission to reach the bottom of all five seas. Hu