Why is it? :  a question and answer book about the world around us 

 - London :  Rainbow Books,  1993 
 - 92 p. ;  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>1856980103  RM56.86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Miscellanea--Juvenile literature<br/>Technology--Miscellanea