Another adventure begins with the third book in the Martin McMillan middle grade mystery series..A vacation to Scotland finds thirteen-year-old skateboarders Martin McMillan and his friend Isabel drawn into solving the puzzle of Gaelic verses, recently found in the lining of an old trunk. In time they learn the translated verses hold the key to Druid secrets long buried in a secret spot. Martin and Isabel travel from Edinburgh to Loch Ness to the windswept Isle of Lewis as clues lead to the ancient Calanais Standing Stones, which rival the wonder of Stonehenge. Martin and Isabel, with the help of their new friends Dirk and Brianna, are determined to uncover the truth before other, less scrupulous parties can beat them to it. But dark forces go to great lengths to keep the island's secrets from the outside world.
