the science library.  4,  how and why wonder books of: book 1 our earth book 2 rocks and minerals book 3 weather. 

 - new york:   grosset and dunlap,   1960.  
 - hardcover  
<br/><br/> 48pp., 28x21 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth<br/>Encyclopedia<br/>Minerals<br/>R 500.03 μπλ<br/>Rocks<br/>Science<br/>Weather<br/>Water