Dayton, Connor. <br/><br/>
Volcanic rocks / 
Connor Dayton. 
 - 1st ed. 
 - New York :  PowerKids Press,  2007. 
 - 24 p. :  col. ill ;  21 cm. 
 - Rocks and minerals .
 - Rocks and minerals (PowerKids Press) .
<br/><br/> Includes index. 
<br/><br/>What are volcanic rocks? -- Volcanoes -- Types of lava -- Cooling off -- Basalt -- Obsidian -- Pumice -- Other volcanic rocks -- Volcanic islands -- Always changing. 
<br/><br/> Explores volcanic rocks, explaining what they are, types of lava, and cooling off; and describing basalt, obsidian, pumice, and other specimens. Includes glossary and a list of related Internet sites. 
<br/><br/> 4.3  Follett Library Resources.  K-3  Follett Library Resources. 
<br/><br/><label>ISBN: </label>9781404236882 (library binding) 1404236880 (library binding) 
<br/><br/><label>LCCN: </label>2006030148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks, Igneous--Juvenile literature.<br/>Volcanoes--Juvenile literature.<br/>Rocks.<br/>Volcanoes.<br/>Rocks.<br/>Volcanoes.<br/>Rocks, Igneous.<br/>Volcanoes.
<br/><br/><label>LC Class. No.: </label>QE461  / .D349 2007 
<br/><br/><label>Dewey Class. No.: </label>552/.2