PSM S :  challenge book / 
general editor, Donald Stagg 
 - Thornes 
 - vii, 326 pages : illustrations 
<br/><br/><label>ISBN: </label>0859506835 (pbk) 
<br/><br/><label>LCCN: </label>LC gb88-46717 
<br/><br/><label>Nat. Bib. No.: </label>GB88-46717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)--Great Britain
<br/><br/><label>LC Class. No.: </label>QA 43  / .P7