Wick, Walter. <br/><br/>
A drop of water  a book of science and wonder 
Walter Wick 
 - ed. 
 - New York  Scholastic  1997 
 - 40 p. 
<br/><br/><label>ISBN: </label>9780590221979 
<br/><br/><label>Dewey Class. No.: </label>546