A magic pirate ship, islands filled with strange creatures, a forgotten civilisation - and an underwater quest! Continuing from Book 3, the Delliks embark on a quest to uncover the identity of the dark magic apprentice. They must work together as they journey through magical worlds, grappling with their growing powers while encountering new civilizations and unknown creatures. As a showdown with their nemesis approaches, the group realises that to obtain the answers they seek, they must embark on the ultimate adventure - a trip through time itself. The Delliks children confront dark forces with the guidance of their wise mentor and unexpected allies in the captivating fourth book of the 'Skilled in Magic' series.