mariana trench

"Takes readers on a journey to a place very few humans have ever been--the Mariana Trench. The imagined voyage debunks scary myths about this mysterious place with surprising and beautiful truths about life at Earth's deepest point. 'Deep, deep down' shows a vibrant world far below, and teaches readers how interconnected our lives are to every place on the planet"--Provided by publisher.

When an experimental nuclear submarine is marooned in a deposit of methane ice deep in the Marianas Trench, an elite team mounts a daring rescue to prevent an explosive chain reaction that could lead to global disaster.