Pistoia, Sara,  <br/><br/>
Graphs 

 - 24 pages :   colour photographs ;   22 cm 
 - Let's do math! .
 - Let's do math! .
<br/><br/><label>ISBN: </label>9781489651075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers. ; Graph theory - Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>428.6