'Fountains of fire, explosions . . . it's hell let loose.'Hal and Roger Hunt embark on an earth-shattering expedition when they join forces with world-famous volcanologist Dr Dan Adams. And as their ground-breaking research of the volatile Pacific volcanoes hots up, the brothers' mission erupts into...

'Fountains of fire, explosions . . . it's hell let loose.'Hal and Roger Hunt embark on an earth-shattering expedition when they join forces with world-famous volcanologist Dr Dan Adams. And as their ground-breaking research of the volatile Pacific volcanoes hots up, the brothers' mission erupts into an awesome adventure . . .