Billstein, Rick. <br/><br/>
A Problem solving approach to mathematics / 
Rick Bilstin, Schlomo Libeskind, Johnny W. Lott. 
 - 7th ed. 
 - Boston :  Addison Wesley,  c2001. 
 - xvii, 820 p. :  ill. ;  27 cm +  1 computer laser optical disc (4 3/4 in.) 
<br/><br/><label>ISBN: </label>020134730X : 0201384086 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Problem solving.
<br/><br/><label>LC Class. No.: </label>QA135.5  / .B55 2001