Raviell, Anthony <br/><br/>
Adventure with shapes / 
written and illustrated by Anthony Raviell 
 - London :  Phoenix House,  1960 
 - 117 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curves, Plane<br/>Geometry
<br/><br/><label>Dewey Class. No.: </label>513