Follow the exploits of the children who go to a most unusual school – the sail-powered training ship Tobermory. When a film crew arrives in Tobermory Bay, Ben and Fee are invited to be extras. But their suspicions are soon aroused – is the film crew genuine, or are they up to something sinister? Ben and Fee soon discover the truth when they uncover a dastardly plan masterminded by a South American businessman.

After successfully thwarting a dastardly plan to steal rare marine animals from the sea around the Scottish island of Mull, Ben and Fee MacTavish feel they can relax and continue learning all about nautical life on board School Ship Tobermory. But it's not long before their everyday routine is interrupted by an extraordinary event. Ben, Fee, their fellow students and the crew of the Tobermory find themselves embroiled in another adventure that leads them thousands of miles from Mull to a small island in the Caribbean, where they learn extraordinary details about Captain Macbeth's past and come face to face with modern-day pirates.

Ben and Fee MacTavish and the rest of the School Ship Tobermory crew head down under to take part in a tall ships race, but after a good start the Tobermory runs aground after it drops out to rescue a local boy, Kimba, stranded on the rocks. When the ship's dog Henry disappears, Kimba helps Ben, Fee and their friends find him. But as the trail leads them deeper into the Outback, they begin to realize that a missing dog is the least of their problems. Who are the mysterious couple claiming to be flying doctors, and why are they interested in an abandoned mine?

Longlisted for the Highland Book Prize 2019 The School Ship Tobermory and its intrepid young crew are back in Hebridean waters. When a violent storm blows them off course to a remote island, they discover a fisherman's journal written a hundred years ago which tells of a mysterious shipwreck crammed with treasure. But without a precise location, where do they start looking? An extraordinary chance encounter gives them a valuable clue. Before long, Ben, Fee and their friends realize they are not the only ones searching for the lost wreck and must face a ruthless and determined adversary who will stop at nothing to seize the prize.