What Are Volcanoes? -- The Formation of Volcanoes -- Inside a Volcano -- The Eruption that Grounded Europe -- Pompeii : Trapped in Time -- Skaptárjökul -- The Largest Eruption in History -- Worst Eruption of the 20th Century -- The Destruction of Armero -- Mt. Pinatubo, Phillipines, 1991 -- Soufrière Hills, Montserrat, 1995 -- Soufrière Hills, St. Vincent, 1902 -- Looking to the future/volcano science -- Timeline -- Glossary.