"This volume contains a comprehensive, worldwide history of seismological studies of the Earth's crust using controlled sources from 1850 to 2005. Essentially a

The outside layer of our planet is an active place. Earth's crust is always growing and changing. But do you know how Earth's crust forms? And what happens when

Explores how scientists study the inner workings of the earth using such tools as global positioning, seismology, and computer modeling.

Examines geologic rocks and rocks structures, such as natural bridges, stone pillars, mountains and volcanoes, and their origins.