Helen Plum Library

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

Undersea adventurer Dirk Pitt faces the toughest challenge of his life when he plunges into a deadly sea zone to rescue the gigantic Starbuck, America's nuclear arsenal, while battling deep-sea assassins

"Three men embark on an epic journey under the sea with the mysterious Captain Nemo aboard his submarine the Nautilus. Over the course of their fantastical voyage, they encounter the lost city of Atlantis, the South Pole and the corals of the Red Sea, and must battle countless adversaries both human and monstrous." --

"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...