Young Folks' Library, Volume XI (of 20) :  Wonders of Earth, Sea and Sky  [electronic resource] 

 -  Project Gutenberg,  2005 
 - Project Gutenberg  15884 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Science -- Juvenile literature 
<br/><br/><label>LC Class. No.: </label>Q