A brand-new underwater adventure from Adam Blade, author of the Beast Quest series! Max's home, the floating city of Aquora, is attacked by Cephelox the Cyber Squid and his father is carried away by the Robobeast. Max and his robodog, Rivet, set off on a rescue mission. Along the way, they meet Lia, a princess of an ancient race of Merryns who live underwater. The Merryn's magic powers are fading because the evil Professor has stolen four pieces of a skull that is the source of their abilities. It is up to Max and Lia to retrieve these items and save Max's father before it is too late.

When Max meets the mysterious Sea Ghosts, they ask for his help. An evil genius is threatening to wreck their city! Max ventures beneath the seabed -- where he must battle Shredder the Spider Droid!

A new terror is in store for Max and Lia as they hunt for the third precious element that could save them. Horvos the Horror Bird is here, with flamethrowers on its wings! The third thrilling book in Sea Quest Series 4: The Lost Lagoon. Don't miss the rest of the series: Rekkar the Screeching Orca, Tragg the Ice Bear and Gubbix the Poison Fish!

Max and Lia's underwater adventures continue, as a terrifying new set of Robobeasts is unleashed in the oceans of Planet Nemos. Can our heroes defeat their enemies and restore the aquatic worlds to safety? There are four thrilling books to collect in this series!

Includes free collector cards!

SeaQuest is the largest,fastest & most powerful submarine ever built.She is alsothe planet's ultimate peace keeper:multinational confederations are on the brinkof global war..