Leokum,Arkady <br/><br/>
The Big Book Of Tell Me Why 

 - Newyork  Barnes& Noble inc  1989 
 - 208p. 
<br/><br/><label>ISBN: </label>9780880293174 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Knowledge ,popular ---Juvenile  Literature 2.Science ---Juvenile literature 3.Questions and answers ---Juvenile literature
<br/><br/><label>LC Class. No.: </label>Q 172  / .L46 1989