Earth Sciences

The Elements of Geology

The aneroid barometer: its construction and use

Weather Mysteries Unveiled

Desert March Tactics

Earth's Magnetic Field

Extreme Weather

Weather's Hidden Forces

Urban Exploration Tips

Deep Cave Descents

Arctic Night Wonders

Soaring Glider Flights

Jungle Camp Advice

Navigation Without Tools

Prairie, Peak, and Plateau: A Guide to the Geology of Colorado

Catalogue of Violent and Destructive Earthquakes in the Philippines

Magnetic Pole Reversals

Earthquake Survival

Volcano Power

Bernissart Dinosaurs and Early Cretaceous Terrestrial Ecosystems

On Shaky Ground