Alex Neptune is back for his most epic adventure in this fifth and final instalment of the action-packed series – perfect for fans of Percy Jackson and Dragon Realm!

Brineblood the pirate is back on the high seas with a dastardly plan – he’s going to steal every drop of sea magic and use it to raise an all-powerful monster from the bottom of the ocean. If Alex, Zoey and Anil can’t stop him, the monster could flood the entire world.