Pegasus Books Expedition deep ocean: the first descent to the bottom of all five oceans, hardcover/josh young

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The riveting story of the history-making mission to reach the bottom of all five of the world's oceans - the ultimate frontier of our planet.

Humankind has explored every continent on earth, climbed its tallest mountains, and gone into space.

But the largest areas of our planet remain a mystery: the deep oceans.

At over 36,000 feet deep, these areas closest to earth's core have remained nearly impossible to reach--until now.

Technological innovations, engineering breakthroughs an.