Rooney, Anne <br/><br/>
Maths in 30 seconds / 
Anne Rooney ; illustrated by Putri Febriana ; consultant Katie Steckles  
 - 96 pages :   Illustrations [chiefly color] ;  23 cm 
<br/><br/> Includes index. 
<br/><br/>Includes Bibliographic references. 
<br/><br/><label>ISBN: </label>9780711288607 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510