William, Brian <br/><br/>
Encyclopedia of questions and answers / 
Brian William 
 -  The Southwestern Company  1999 
 - 296 p.  col. ill.  28 cm. 
<br/><br/><label>ISBN: </label>9780871974655 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Juvenile --Encyclopedias