Sawyer, W. W. <br/><br/>
Prelude to mathematics / 
W.W. Sawyer. 
 - Harmondsworth, Middlesex :  Penguin Books,  c1955. 
 - 214 p. :   ill. ; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510  / S271