#volcanoes

2 articles

Great Disasters and Horrors in the World's History: Free Audiobook and Listening Guide

Great Disasters and Horrors in the World's History by Allen H. Godbey: the LibriVox audiobook summary, 30 original MP3 tracks, 15:27:50 running time and a link to listen.

The Elements of Geology: Free Audiobook and Listening Guide

The Elements of Geology by William Ruschenberger: the LibriVox audiobook summary, 22 original MP3 tracks, 10:33:11 running time and a link to listen.