While visiting their uncle, Billy and Sheena do a little underwater exploring. Uncle Deep warns them to stay away from the coral reef, but Billy can't resist. He's not alone in the reef, there is something lurking, something dark and scaly... half-human, half-fish!

In this story inspired by Jules Verne's "20,000 Leagues Under the Sea," Ana Dakkar, a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world, makes astounding discoveries about her heritage and puts her leadership skills to the test against deadly enemies from a rival school.

In a history at once scientific and cultural, Helen Rozwadowski shows us how the Western imagination awoke to the ocean's possibilities? In maritime novels, in the popular hobby of marine biology, in the youthful sport of yachting, and in the laying of a trans-Atlantic telegraph cable. The ocean emerged as important new territory, and scientific interests intersected with those of merchant-industrialists and politicians. Rozwadowski documents the...

When the shadows in the ocean go missing, the Octonauts, a team of eight animal underwater explorers, must travel to the Sea of Shade to find them.

"To stop the world from burning, it's up to Sigma Force to uncover a secret buried at the heart of our planet. The Titan Project-an international research station off the coast of Australia-discovers a thriving zone of life in an otherwise dead sea. The area teems with a strange bioluminescent coral that defies science, yet holds great promise for the future. But the loss of a military submarine in the area triggers a brutal attack and sets in motion...

"Explores methods and devices scientists use to explore the ocean, walking readers through the history, current developments, and potential for future discoveries, as well as the challenges scientists currently face. Includes infographics, discussion questions, and two "Scientist Bio" features highlighting people who've done important work studying the deep sea"--

Did you know the deepest parts of the ocean are still largely unexplored? Courageous explorers risk their lives to go to these great ocean depths. Other explorers journey into deep volcanoes, caves, and mines. Who are they and why are they seeking a glimpse of the world deep below the earth's surface?

Expedition Deep Ocean tells the inside story of this exploration of one of the most unforgiving and mysterious places on our planet, including the site of the Titanic wreck and the little-understood Hadal Zone. The expedition pushed technology to the limits, mapped hidden landscapes, discovered previously unknown life forms and began to piece together how life in the deep oceans affects our planet -- but it was far from easy. Vescovo and his team...

Purports to be the journal of Zoticus de Lesseps, written on an ill-fated 1863 voyage accompanying Captain Nemo to explore the mysteries of the deep sea.