Alexander, L. G.. <br/><br/>
Operation mastermind/ 
L. G. Alexander ; L. G. Alexander ; illustrations by. Mark Thomas ; Series editor Robert O'Neill. 
 - 55 p. :  ill. ;  18 cm. 
 - Longman originals  .
 - Longman originals  .
<br/><br/><label>ISBN: </label>058273986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching.<br/>Readers--Stage 3.
<br/><br/><label>LC Class. No.: </label>PE1128.A44  / I54 1997