My Very Important Earth Encyclopedia

This exciting introduction to Earth is brimming with explosive volcanoes, incredible habitats, and world-saving ideas.

From Earth''s inner core to the thinnest air at the edge of the atmosphere, get ready for a round-the-world adventure...

Dig down and learn exactly what is under our feet. Investigate the workings of earthquakes and volcanoes. Learn how mountains are made and how rivers form. Find o...