Earthquakes and volcanoes  readings from Scientific American 
with introductions by Bruce A. Bolt 
 - San Francisco  W. H. Freeman  c1980 
 - vii, 154 p.  ill.  29 cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthquakes<br/>Volcanoes
<br/><br/><label>Dewey Class. No.: </label>551.2