Birney, Betty G. <br/><br/>
Trouble according to Humphrey / 
by Betty G. Birney. 
 - London :  Faber and Faber,  2008. 
 - 187 p. : ;  20 cm. 
<br/><br/><label>ISBN: </label>9780571236145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children and animals--Fiction.<br/>Hamsters--Fiction.