Volcanoes and Earthquakes - Our Earth Author:Jen Green Our Earth is an introductory series for young readers that focuses on the Earth sciences. For 6-8 year olds, this is a simple explanation of the physical aspects of the earth. It includes information on volcanoes and earthquakes, the weather, rocks, the atmosphere and much more. Other titles in this series include Day and Night, Rocks and Soil, ... more »Weather and Seasons, The Water Cycle and The Air we Breathe.>« less