Eastaway, Rob <br/><br/>
How long is a piece of string : more hidden mathematics of everyday life 

 -  London  Robson Books  2005 
 - ix, 182p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1 86105 625 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles  Mathematics