Ana Dakkar is 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. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class's weekend trial at sea, the details of which have been kept secret....

A uge sea monster has attacked and wrecked several ships from beneath the sea. Professor Aronnax bravely joins a mission to hunt down the beast. He goes aboard the Nautilus, a secret submarine helmed by the mysterious Captain Nemo. At first, the mission is exciting, as Nemo takes Aronnax on a voyage around the underwater world. But when things start to go wrong, Aronnax finds there's no escape from the Nautilus. He is now Captain Nemo's captive -...

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.

When Aster wakes on a tropical island, she has no idea how she got there. Where's her aunt -- and the teenagers from the ecovillage she was part of? Most importantly, where's her little sister, Poppy? As Aster frantically searches her surroundings, everything points to the sea and to a deep-water secret that's both important -- and impossible...

When the Octonauts, a team of eight animals that explores the ocean, help a lonely monster, everyone learns the value of friendship and individuality.

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.

An adaptation of the 19th-century science fiction tale of an electric submarine, its eccentric captain, and undersea world which anticipated many of the scientific achievements of the 20th century.

The Octonauts meet Dunkie, a goldfish who can t stop growing. Finding an ocean big enough for him seems to be an impossible mission for the intrepid crew until they discover a prehistoric, deep sea world. Is Dunkie really a goldfish after all?

This is a celebration of the Great Barrier Reef and the significance it has on the marine life forms that it feeds, sheltures and protects. Written in beautifully crafted poetic prose, this is the perfect introduction to a beautiful and fragile marine wilderness.

When Dorothy Ann accidentally loses Jyoti's high-tech locket in the ocean, Ms. Frizzle's class travels down through the layers of the sea to retrieve it. Includes glossary.