McCallum, George P. <br/><br/>
Unsolved mysteries :   Reading and discussion for intermediate-level students / 
George P. McCallum 
 - 1a ed. 
 - Surrey :  Nelson,  1990 
 - 72 p. :  il. ;  25 cm. 
<br/><br/>Incluye índice 
<br/><br/><label>ISBN: </label>0175559066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enseñanza--Inglés
<br/><br/><label>LC Class. No.: </label>PE1128  / M33 1990