Leff, Lawrence S. <br/><br/>
Barron?s E-Z geometry / Lawrence S. Leff. 

 -  Hauppauge, N.Y. : Barron?s Educational Series, c2009. 
 - v, 497 p. : col. ill. ; 26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Plane.