If you like to browse library shelves follow the call numbers assigned to Geology and Earth Science fields:​
A Dictionary of Geology and Earth Sciences by 
Earth's Surface and History by 
Encyclopedia of Geology by 
The Field Guide to Geology by 
The Handy Geology Answer Book by 
Rock Formations and Unusual Geologic Structures by 
Metamorphic Rocks in the Field by 
A Most Improbable Journey by 
Pocket Guide to Rocks and Minerals of North America
Unfolding the Geology of the West by 
Composition and Properties of Drilling and Completion Fluids by 
Subduction Dynamics: from Mantle Flow to Mega Disasters
All guides are available under the CC-BY-NC-SA license.
