When did it happen? :  a question and answer book about world history 

 - London :  Rainbow Books,  1993 
 - 93 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>1856980146  RM56.86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Miscellanea--Juvenile literature<br/>History--Miscellanea<br/>Questions and answers