How is a volcano like a soft drink? To visit the largest known volcano, would you need a submarine or a spaceship? How fast can a pyroclastic flow go? True or False?: Volcanoes is here with answers to these questions and more! The True or False? series reveals the surprising truths behind common misconceptions and teaches the coolest facts about high-interest topics, from volcanoes to Ancient Egypt, bugs, explorers, sharks, and more! The engaging, play-along format makes learning exciting!