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.

Max and his robodog, Rivet, seek to rescue Max's father from a giant cyber squid, and meet Lia, princess of an ancient underwater race, along their travels.

Max and his robodog Rivet attempt to rescue Max's kidnapped father from a giant cyber squid.

Max and Lia's underwater adventure continues in this thrilling series by Beast Quest author Adam Blade! Max is determined to track down the evil Professor even if that means journeying into the deadly Forest of Souls. Lia knows this is a dangerous plan but she will do whatever it takes to help with the search. Max is going to need that kind of friendship when his quest leads him into battle with Manak the Manta Ray. A sting from this Robobeast's tail will paralyze any victim. Can Max defeat Manak and retrieve the third piece of the Skull of Thallos in order to save his father?

Max and Lia's underwater adventure concludes in this thrilling series by Beast Quest author, Adam Blade! Max and Lia have tracked the evil Professor to his lair in the Black Caves. Neither of them are ready for what awaits them there. Kraya the Blood Shark, with his razor sharp teeth and laser cannons is the most vicious of all the Robobeasts. Max must survive if he wants to finally come face-to-face with the Professor to save his father and retrieve the fourth and final piece of the Skull of Thallos. But there are still some secrets Max has not uncovered and they could lead to Max's defeat.

Max and Lia's underwater adventure continues in this thrilling, high-action series! Max and Lia are following the evil Professor's trail to rescue Max's father. But when Max doesn't heed Lia's warning about the dangers of the ocean, he ends up getting scooped up in a jetstream. Luckily his friends manage to keep up with him. The stream leads him to another one of the Professor's Robobeasts, Silda the Electric Eel. Can Max defeat this foe and recover the second piece of the ancient skull that grants magical powers to Lia and her people?

Includes free collector cards!