Two shy children meet at a noisy pool and dive beneath the crowd into a magical undersea land, where they explore a fantastical landscape and meet various creatures.

While mapping the ancient underwater city of Marinth in the Atlantic Ocean, submersible designer Hannah Bryson makes a shocking discovery: she may have finally uncovered the truth about the once-glorious city's mysterious demise. Long ago it was a thriving metropolis bursting with culture and life- Marinth's sudden disappearance has plagued scientists for years. But now, with her unexpected new findings, Hannah realizes that the ancient city's explosive...

"The Octonauts are a team of undersea adventurers who are always ready to dive into action! Their mission: to explore new underwater words, rescue amazing sea creatures, and protect the ocean."--Container insert.

Captain Barnacles tangles with a Colossal Squid who has his hooks in the Octopod, Peso babysits a bunch of penguin chicks stuck in a blizzard, Kwazii has a shocking encounter with an Electric Torpedo Ray, and much more!

When the Octonauts, a team of eight animals who explore the ocean, discover a bleached and abandoned coral reef, they learn about the important relationships among animals, plants, and their habitats

Examines one of the enigmas of WWII, the fate of the submarine USS Grunion that vanished without a trace in 1942 carrying a crew of 70 men and the Navy's new top-secret MK 14 torpedoes

Join the Octonauts as they embark on not one, not two, but twelve rescue missions! From attempting to dive deep into the abyssal zone, to encountering a school of toothy barracudas, to Barnacles seeking guidance from a mysterious sea turtle--it's time to sound the Octo-alert!

"Australia: Fortunes in the Sea: The northwest coast of Australia is home to a dazzling array of marine life -- and the site of human drama. Impoverished Indonesian fishermen, their homeland depleted of oceanic wealth, ply Australian waters in rickety boats. With handmade goggles and a gulp of air, they dive for the sea's bounty. But Australia's aboriginal people, who depend on the same waters are determined to conserve these valuable resources. Mel...

A gripping memoir by the world's foremost marine geologist is an enthralling blend of maritime history, popular science, and Clive Cussler-style adventure. It describes the extraordinary techniques used, the detailed research and mid-ocean stamina and courage required to find wrecks thousands of feet beneath the sea, as well as the moving human stories that lie behind each of these oceanic tragedies.

The crocodile now flourishes in Australia's Kakadu National Park along with monitor lizards, one-third of Australia's bird species, and aboriginal people who mastered the use of fire to control their environment. The Cousteau teams also visits Kangaroo Island. Then it's on to a different kind of ocean, a mummified landscape in the Australian interior that 350-million years ago was a seabed abundant with life.