For eleven-year-old Badge the world is bounded by the high ridges that enclose his valley home, deep in the heart of Tasmania. He delights in the wild life that surrounds him, and cares little for the world Outside. But one day visitors arrive from Outside – Russ, a splendid cousin from America, and his friend Dr Heftman, who have come to study the local natural history: and they bring a new interest into Badge’s life. He had once been shown one of the country’s rarest animals, the nearly extinct Tasmanian tiger, coming to a pool to drink: and he had promised never to reveal its whereabouts. But, carried away by…