Hammond Innes

It all begins with a lump of rock. To Bill Gansert, it seems a message from beyond the grave; the legacy of his one-time colleague George Farnell who disappeared in a storm of mystery and suspicion ten years ago. The rock, an enticing hint at a rich, hidden supply of mineral ore, leads Gansert and a team of men to Norway and to a glacial labyrinth of mountains, following in Farnell's footsteps to the source of the ore.
But others have heard of the rock, and the wealth it promises, and are also hot on the trail...