Bolt, Brian. <br/><br/>
Mathematical activities :   a resource book for teachers /  
Brian Bolt. 
 - Cambridge [Cambridgeshire] :   Cambridge University Press,   1982. 
 - xii, 207 p. :    ill. ;    25 cm. 
<br/><br/>Includes bibliographical references (p. 205-206). 
<br/><br/><label>ISBN: </label>0521285186 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations --Juvenilie literature.------<br/>Puzzles --Juvenilie literature.------
<br/><br/><label>Dewey Class. No.: </label>793.7 BOL