Donaldson, Julia <br/><br/>
The ox and the yak 
Story y Julia Donaldson ; Pictures by Ross Collins 
 - Oxford  Oxford University Press  2007 
 - 16 p. : col. ill. ; 22 cm 
<br/><br/> Cover title 
<br/><br/><label>ISBN: </label>9780199119004 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction, Juvenile audience<br/>Phonics
<br/><br/><label>Dewey Class. No.: </label>372.677049 DON