CLEMSON Wendy <br/><br/>
Using maths :   journey to the moon /  
Wendy Clemson and David Clemson 
 - Great Britain:  Ticktock entertainment    2007 
 - 32p. 
<br/><br/> Over 50 maths puzzles that show how astronauts use maths every day. 
<br/><br/><label>ISBN: </label>9781846960598 (pbk) :   11.90 BND