Meeting with volcanoes around the world, a volcanologist interprets their messages for humankind. In Mountains of Fire, Clive Oppenheimer invites readers to stand with him in the shadow of an active volcano. Whether he is scaling majestic summits, listening to hissing lava at the crater's edge, or hunting for the far-flung ashes from Earth's greatest eruptions, Oppenheimer is an ideal guide, offering readers the chance to tag...