Download or read book Volcanoes Inside and Out written by Dorothy M. Souza and published by First Avenue Editions. This book was released on 2006 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Why does a volcano erupt? How many different kinds of volcanoes are there? Once believed to be the work of a fire god named Vulcan, volcanoes have long fascinated people. Looking at three different types of volcanoes composite, cinder cone, and shield uncover how and why these magnificent and deadly mountains change the earth for the better, and for the worse.