Whether worshiped, feared, or studied, volcanoes have always been a subject of fascination and awe. Lopes explains the importance of volcanoes in shaping worlds, the dangers of volcanic eruptions, and some of the best places in the world to see eruptions, as well as including famous “case histories”. Dr Rosaly Lopes is a Principal Scientist at NASA"s Jet Propulsion Laboratory, where she is also Lead Scientist for Geophysics and Planetary Geosciences. She was honoured in the 2006 edition of the Guinness Book of World Records as the discoverer of the most active volcanoes anywhere.