Cavendish, Lucy. <br/><br/>
Jack and Jill / 
Lucy Cavendish. 
 - London :  Penguin Group,  2011. 
 - 93 p. ;  20 cm. 
 - Quick reads .
 - Quick reads. .
<br/><br/> Jack and Jill are brother and sister. Nobody has ever heard Jack speak, except Jill. They communicate in a secret language that nobody can understand. So what happens when Jill, Jack's mouthpiece to the outside world, has a terrible accident? Could it be the trigger that finally moves Jack to speak? 
<br/><br/><label>ISBN: </label>9780718157487 (pbk.) :  £1.99 0718157486 (pbk.) :  £1.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Brothers and sisters--Fiction.<br/>Accident victims--Fiction.<br/>Selective mutism--Fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Psychological fiction.<br/>General.