Dallas, Donald. <br/><br/>
Murder at Mortlock Hall / 
by Donald Dallas. 
 - Oxford :  Heinemann,  1989. 
 - 32 p. 
 - Heinemann New Wave Readers .
 - Heinemann New Wave Readers. .
<br/><br/> 5-8. 
<br/><br/><label>ISBN: </label>0435277715 9780435277710 
<br/><br/><label>Dewey Class. No.: </label>F DAL /O