#rocks

2 articles

Rock-forming minerals: Book Guide, Author and Facts

Rock-forming minerals by W. A. Deer: plot, author, genre and where to read, in one evergreen guide.

Rocks and Their Origins: Free Audiobook and Listening Guide

Rocks and Their Origins by Grenville A. J. Cole: the LibriVox audiobook summary, 15 original MP3 tracks, 3:35:43 running time and a link to listen.