Yeo, Wilma. <br/><br/>
Oliver Twister and his big little sister / 
Wilma Yeo. 
 - Ginn :  Aylesbury,  1978. 
 - 23 p. :  il. ;  19 cm 
<br/><br/><label>ISBN: </label>0602240557 
<br/><br/><label>Subjects--Index Terms: </label>Literatura juvenil Inglesa