Mermaids Rock

"Kai, Marina, and their friends decide to use the whirlpool at Mermaids Rock to take a trip to the Red Sea. They find a shipwreck, and Kai is enthralled with the human artifacts that they find there. But Coralie is worried that they'll be discovered and urges the group to return home. Then a group of divers arrives at the shipwreck, and the friends find themselves in a tricky situation. Will they be able to return to Mermaids Rock without being seen by the humans?"--Provided by publisher.

"When the magic whirlpool malfunctions, it sends Marina and her friends to a dark, underground river. As they explore the caves and journey along the tunnels, they discover a jungle with amazing wildlife. But then the whirlpool disappears--and they're stuck! How will they get back home?"--Provided by publisher.

"Coralie is overjoyed when she visits a beautiful kelp forest with her pet dolphin, Dash. She meets adorable sea lions and otters...even finds a mysterious treasure map! After telling her friends about it, they're excited to help her search for the treasure. But when they arrive in the kelp forest, they find that it has been destroyed. Without the plants for protection, the animals that live there are in danger--and the friends must do everything they can to save the sea creatures before it's too late"--.

"When ocean animals start disappearing from the reef and end up in the mysterious midnight realm--Naya and her mer-friends decide to find out why. The group sets out to investigate, and when they reach the midnight realm, they find a glowing cave inhabited by a tentacled monster. Then the monster traps Luna, and Naya and her friends need to use all of their creativity to pull off a rescue mission"--Provided by publisher.

Welcome to Mermaids Rock! The entrance to the mermaid realm in the deep, blue ocean. Kai is really excited that Marina is coming to stay while her dad goes on a research trip to the Arctic - they're going to have so much fun! But when they don't hear from him for a few days they start to worry. Travelling through the whirlpool to see if they can find him, the friends are amazed by the icy scene and enchanted by the walruses they meet. But with no sign of Marina's dad and time running out, can the team work together to save the day?.

"Marina is new in Mermaids Rock. She has traveled the world with her scientist dad, and she can't wait to settle down and make friends! She meets some mermaids who love animals and the environment as much as she does. Soon, the group faces their first challenge: The beautiful coral caves nearby have been damaged. Who--or what--could have caused the destruction? And are the creatures dangerous?"--Provided by publisher.