Mountains of fire -- Hot rocks -- Shaky plates -- An island is born -- The ring of fire -- Meet a volcano ... or three -- The true story of Crater Lake -- Volcanoes rock -- Volcanic record breakers -- Hot spots -- Exploding ending -- Picture glossary.

Includes bibliographical references and index.

Describes how a volcano is formed, the different types of volcanoes, where the most active volcanoes are found, and what happens when a volcano erupts.