A guide to volcanoes with the gritty bits left in! Read the diaries of volcano survivors get clued-up with the spotter's guide to eruptions plan an explosive holiday with the volcano vacation guide marvel at red-hot volcanic rocks the size of cars and tremble before boiling hot geysers.A guide to volcanoes with the gritty bits left in! Read the diaries of volcano survivors get clued-up with the spotter's guide to eruptions plan an explosive holiday with the volcano vacation guide marvel at red-hot volcanic rocks the size of cars and tremble before boiling hot geysers.