Max and Lia are trying to escape the Lost Lagoon...but Cora Blackheart has saved the most terrifying Robobeast for last. How will they evade the poisoned spines of Gubbix the blowfish?

The last 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 Horvos the Horror Bird!