Sawyer, W. W.  1911-2008 <br/><br/>
Prelude to mathematics / 
W.W. Sawyer. 
 - Harmondsworth, Middlesex :  Penguin Books,  [1969]. 
 - 214 p. :  ill. ;  18 cm. 
 - A pelican original .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>510.71