Clemson, Wendy <br/><br/>Using maths:  extreme sports challenge/ Wendy Clemson.--  --  ticktock Entertainment Ltd.,  2004. <br/> col.: ill.;  28. <br/><br/><label>ISBN: </label>1860075495 <br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/><br/><label>Dewey Class. No.: </label>HS Cir 510 U4 2004